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Type check values
Function argument validation for humans
- type
- types
- check
- checking
- guard
- guards
- assert
- assertion
- predicate
- predicates
- is
- validate
- validation
- utility
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type-check allows you to check the types of JavaScript values at runtime with a Haskell like type syntax.
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
- runtime
- environment
- env
- execution
- engine
- platform
- context
- js
- javascript
- is
- check
- checking
- detect
- detection
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Blazing fast input validation and transformation ⚡
- @sapphire/shapeshift
- shapeshift
- bot
- typescript
- ts
- yarn
- sapphire
- schema
- validation
- type-checking
- checking
- input-validation
- runtime-validation
- ow
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Isomorphic, functional type-checking for Javascript
Type checking and DDD for JavaScript
TypeScript type-checking plugin for esbuild
A set of types, type checks, and type guards for simpler, safer, and easier to read code.
allows easy type enforcement for all JS types objects and classes. it is also extensible and provides simple to use type checks for your own custom classes and types
A standard set of errors and methods for simpler, safer, and easier to read code.
Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)
- array
- assert
- assertion
- async
- async function
- async-function
- asyncFunction
- bool
- boolean
- browser
- check
- check-type
- checking
- class
- View more
Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.
TypeScript and JavaScript page component object framework for Selenium
- javascript
- selenium
- automation
- test
- testing
- check
- checking
- verify
- verification
- typescript
- page
- component
- framework
- pom
Provides types for all ports in computer networking, also includes types for common services
- types
- type
- typescript
- port
- ports
- check
- checks
- checking
- typecheck
- typechecking
- typeguard
- guards
- networking
- network
Turn on transpile-free type hinting for your vanilla JS projects #JSWithTypes
Type check values. This is a fork of sindresorhus/is, but with CommonJS support.
A type checking library where each exported function returns either true or false and does not throw. Also added tests.