Repositories list

• Object.groupBy

  Public
  An ESnext spec-compliant `Object.groupBy` shim/polyfill/replacement that works as far down as ES3.

  JavaScript

  •

  MIT License

  •1•4•1•0•Updated Dec 21, 2024Dec 21, 2024

• Date

  Public
  ES spec-compliant `Date` shim/polyfill/replacement that works as far down as ES3

  JavaScript

  •

  MIT License

  •3•3•2•0•Updated Dec 21, 2024Dec 21, 2024

• es-abstract

  Public
  ECMAScript spec abstract operations.

  JavaScript

  •

  MIT License

  •31•6•0•0•Updated Dec 21, 2024Dec 21, 2024

• Array.prototype.reduceRight

  Public
  An ES5 spec-compliant `Array.prototype.reduceRight` shim/polyfill/replacement that works as far down as ES3.

  javascriptpolyfillarray+ 4ecmascriptreduceshimreduceright

  JavaScript

  •

  MIT License

  •1•3•1•0•Updated Dec 20, 2024Dec 20, 2024

• Array.prototype.indexOf

  Public
  An ES2015 spec-compliant `Array.prototype.indexOf` shim/polyfill/replacement that works as far down as ES3.

  javascriptpolyfillarray+ 3ecmascriptshimindexof

  JavaScript

  •

  MIT License

  •1•5•1•0•Updated Dec 20, 2024Dec 20, 2024

• iterator-helpers

  Public
  An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.

  javascriptpolyfillmap+ 16filterecmascriptiteratordropfindforeachreduce+ 9

  JavaScript

  •

  MIT License

  •2•16•1•0•Updated Dec 20, 2024Dec 20, 2024

• Array.prototype.unshift

  Public
  ES spec-compliant Array.prototype.unshift shim/polyfill/replacement that works as far down as ES3

  javascriptpolyfillarray+ 4ecmascriptshimunshiftes-shims

  JavaScript

  •

  MIT License

  •2•0•1•0•Updated Dec 20, 2024Dec 20, 2024

• String.prototype.matchAll

  Public
  Spec-compliant polyfill for String.prototype.matchAll, in ES2020

  javascriptpolyfillstring+ 6regexregexpmatchecmascriptmatchallshim

  JavaScript

  •

  MIT License

  •4•17•1•0•Updated Dec 20, 2024Dec 20, 2024

• Array.prototype.map

  Public
  Array.prototype.map spec-compliant polyfill

  javascriptpolyfillmap+ 4arrayecmascriptshimes5

  JavaScript

  •

  MIT License

  •1•4•1•0•Updated Dec 20, 2024Dec 20, 2024

• Array.prototype.copyWithin

  Public
  An ES2015 spec-compliant `Array.prototype.copyWithin` shim/polyfill/replacement that works as far down as ES3.

  javascriptpolyfillarray+ 3ecmascriptshimcopywithin

  JavaScript

  •

  MIT License

  •1•3•1•0•Updated Dec 20, 2024Dec 20, 2024

• Function.prototype.name

  Public
  ES6 spec-compliant Function.prototype.name sham.

  shimjavascriptpolyfill+ 1ecmascript

  JavaScript

  •

  MIT License

  •6•11•1•0•Updated Dec 20, 2024Dec 20, 2024

• Number.prototype.toExponential

  Public
  An ES-spec-compliant Number.prototype.toExponential shim/polyfill/replacement that works as far down as ES3

  javascriptpolyfillecmascript+ 4exponentialnumbershimtoexponential

  JavaScript

  •

  MIT License

  •2•1•1•0•Updated Dec 19, 2024Dec 19, 2024

• math-intrinsics

  Public
  ES Math-related intrinsics and helpers, robustly cached.

  JavaScript

  •

  MIT License

  •0•0•2•0•Updated Dec 19, 2024Dec 19, 2024

• String.prototype.substr

  Public
  ES spec-compliant `String.prototype.substr` shim/polyfill/replacement that works as far down as ES3

  javascriptpolyfillstring+ 3ecmascriptshimsubstr

  JavaScript

  •

  MIT License

  •1•0•1•0•Updated Dec 18, 2024Dec 18, 2024

• object.assign

  Public
  ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

  JavaScript

  •

  MIT License

  •22•9•0•0•Updated Dec 18, 2024Dec 18, 2024

• Symbol.prototype.description

  Public
  Spec-compliant shim for Symbol.prototype.description proposal.

  descriptionshimsymbol+ 3javascriptpolyfillecmascript

  JavaScript

  •

  MIT License

  •1•6•1•0•Updated Dec 18, 2024Dec 18, 2024

• Reflect.getPrototypeOf

  Public
  An ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible.

  javascriptpolyfillecmascript+ 3reflectshimgetprototypeof

  JavaScript

  •

  MIT License

  •1•3•1•0•Updated Dec 18, 2024Dec 18, 2024

• Array.prototype.toSpliced

  Public
  An ESnext spec-compliant `Array.prototype.toSpliced` shim/polyfill/replacement that works as far down as ES3.

  JavaScript

  •

  MIT License

  •1•0•1•0•Updated Dec 17, 2024Dec 17, 2024

• Array.prototype.findIndex

  Public
  Simple ES6 Array.prototype.findIndex polyfill for older environments.

  JavaScript

  •

  MIT License

  •8•1•0•0•Updated Dec 17, 2024Dec 17, 2024

• Set.prototype.symmetricDifference

  Public
  An ESnext spec-compliant `Set.prototype.symmetricDifference` shim/polyfill/replacement that works as far down as ES3

  javascriptpolyfillset+ 6ecmascriptshimdifferencesymmetrices-shimssymmetricdifference

  JavaScript

  •

  MIT License

  •0•3•1•0•Updated Dec 17, 2024Dec 17, 2024

• dunder-proto

  Public
  If available, the `Object.prototype.__proto__` accessor and mutator, call-bound.

  JavaScript

  •

  MIT License

  •0•0•1•0•Updated Dec 17, 2024Dec 17, 2024

• Array.prototype.flatMap

  Public
  An ESnext spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

  arrayshimflatmap+ 3javascriptpolyfillecmascript

  JavaScript

  •

  MIT License

  •6•32•1•0•Updated Dec 16, 2024Dec 16, 2024

• Array.prototype.flat

  Public
  An ESnext spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

  javascriptpolyfillarray+ 4ecmascriptflatshimflatten

  JavaScript

  •

  MIT License

  •8•32•1•0•Updated Dec 15, 2024Dec 15, 2024

• ArrayBuffer.prototype.slice

  Public
  ES spec-compliant shim for ArrayBuffer.prototype.slice

  javascriptpolyfillbuffer+ 7arrayecmascriptarraybuffersliceshimtypedes-shim

  JavaScript

  •

  MIT License

  •0•0•1•0•Updated Dec 15, 2024Dec 15, 2024

• DisposableStack

  Public
  An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `Symbol.dispose`, and `Symbol.asyncDispose` shim/polyfill/replacement that works as far down as ES3.

  polyfillresourcemanagement+ 6usingshimdisposedisposablestackjavascriptecmascript

  JavaScript

  •

  MIT License

  •4•19•1•0•Updated Dec 12, 2024Dec 12, 2024

• es-shim-api

  Public
  API contract, and rudimentary tests, for modules that conform to the *es-shim API*

  es-shim

  JavaScript

  •

  MIT License

  •5•77•1•0•Updated Dec 12, 2024Dec 12, 2024

• Iterator.prototype

  Public
  `Iterator.prototype`, or a shared object to use.

  JavaScript

  •

  MIT License

  •0•1•1•0•Updated Dec 12, 2024Dec 12, 2024

• es-arraybuffer-base64

  Public
  An ES-spec-compliant shim/polyfill/replacement for ArrayBuffer base64 methods that works as far down as ES3

  javascriptbase64ecmascript+ 1arraybuffer

  JavaScript

  •

  MIT License

  •1•7•1•0•Updated Dec 12, 2024Dec 12, 2024

• Map

  Public
  An ES2015 spec-compliant `Map` shim/polyfill/replacement that works as far down as ES3.

  polyfillmapshim+ 3es-shimsjavascriptecmascript

  JavaScript

  •

  MIT License

  •1•2•0•0•Updated Dec 12, 2024Dec 12, 2024

• Set

  Public
  An ESnext spec-compliant `Set` shim/polyfill/replacement that works as far down as ES3.

  setshimes-shims+ 3javascriptpolyfillecmascript

  JavaScript

  •

  MIT License

  •1•1•0•0•Updated Dec 12, 2024Dec 12, 2024