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6000 packages found
Standard library
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
Unicode symbols with fallbacks for older terminals
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
Spec-compliant shim for Symbol.prototype.description proposal.
Determine if the JS environment has Symbol support. Supports spec, or shams.
Colored symbols for various log levels. Example: `✔︎ Success`
ECMAScript 6 Symbol polyfill
Standard library
An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `Symbol.dispose`, and `Symbol.asyncDispose` shim/polyfill/replacement that works as far down as ES3.
- javascript
- ecmascript
- polyfill
- shim
- DisposableStack
- AsyncDisposableStack
- dispose
- asyncDispose
- using
- resource
- management
- Symbol
- Symbol.dispose
- Symbol.asyncDispose
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
- primitive
- abstract
- ecmascript
- es5
- es6
- es2015
- toPrimitive
- coerce
- type
- object
- string
- number
- boolean
- symbol
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Determine if a value is an ES6 Symbol or not.
Interactive Brokers TWS/IB Gateway API client library for Node.js (TS)
Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.
- array
- assign
- buffer
- clamped
- clone
- clone-array
- clone-array-deep
- clone-buffer
- clone-date
- clone-deep
- clone-map
- clone-object
- clone-object-deep
- clone-reg-exp
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Iterate any iterable JS value. Works robustly in all environments, all versions.
Iterate any JS iterator. Works robustly in all environments, all versions.
Turn any collection of objects into its own efficient tree or linked list using Symbol
Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes
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- WeakMap
- chrome
- dotenv
- length
- Object.getPrototypeOf
- deep
- Array.prototype.includes
- internal slot
- storagegateway
- get
- deterministic
- Float64Array
- status
- configurable
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Symbol.observable ponyfill