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1493 packages found
Robustly `.call.bind()` a function
Get and robustly cache all JS language-level intrinsics at first require time
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.
ES spec-like internal slots
Is this value a JS SharedArrayBuffer?
Is this value a JS ArrayBuffer?
Gets the description of a Symbol. Handles `Symbol()` vs `Symbol('')` properly when possible.
ES spec-compliant shim for ArrayBuffer.prototype.slice
- javascript
- ecmascript
- ArrayBuffer.prototype.slice
- polyfill
- shim
- ArrayBuffer
- array
- buffer
- ArrayBuffer#slice
- slice
- typed array
- es-shim API
`Object.defineProperty`, but not IE 8's broken one.
An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.
A simple cache for a few of the JS Error constructors.
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
- javascript
- ecmascript
- polyfill
- shim
- es-shims
- es-shim API
- Iterator
- helpers
- from
- map
- filter
- take
- drop
- flatMap
- View more
An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.
`Iterator.prototype`, or a shared object to use.
An ESLint custom parser which leverages TypeScript ESTree
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Additional ESLint's rules for Node.js
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
An AST-based pattern checker for JavaScript.