• Stars
    star
    71
  • Rank 443,012 (Top 9 %)
  • Language
    JavaScript
  • License
    MIT License
  • Created over 9 years ago
  • Updated about 1 year ago

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Repository Details

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

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Object.entries

ES2017 spec-compliant shim for Object.entries
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array-includes

Array.prototype.includes spec-compliant polyfill
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regexp.escape

An ESnext spec-compliant `RegExp.escape` shim/polyfill/replacement that works as far down as ES3.
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Object.fromEntries

Official ES spec-compliant polyfill for Object.fromEntries
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String.prototype.replaceAll

Spec-compliant polyfill for String.prototype.replaceAll ESnext proposal.
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Array.prototype.flatMap

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

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

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

An ES-spec-compliant (proposed) `Array.prototype.at`shim/polyfill/replacement that works as far down as ES3.
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16

object-is

ES6-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.
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17

get-own-property-symbols

ES6 Object.getOwnPropertySymbols partial polyfill
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18

String.prototype.padStart

ES spec-compliant shim for String.prototype.padStart
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19

Object.getOwnPropertyDescriptors

Spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
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error-cause

An ES-spec-compliant shim/polyfill/replacement for the `.cause` property on all Error types that works as far down as ES3
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String.prototype.matchAll

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

ES spec-compliant shim for Promise.any
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23

AggregateError

ES Proposal spec-compliant shim for AggregateError
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24

String.prototype.trim

ES5 spec-compliant shim for String.prototype.trim
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25

is-nan

ES6-compliant shim for Number.isNaN - the global isNaN returns false positives.
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26

Function.prototype.name

ES6 spec-compliant Function.prototype.name sham.
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27

String.prototype.padEnd

ES spec-compliant shim for String.prototype.padEnd
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28

DisposableStack

An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `Symbol.dispose`, and `Symbol.asyncDispose` shim/polyfill/replacement that works as far down as ES3.
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29

Object.hasOwn

Official ES spec-compliant polyfill for Object.hasOwn
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30

obsolete-string-at

A robust & optimized ES3-compatible polyfill for the `String.prototype.at` proposal for ECMAScript - based on https://mths.be/at
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31

Array.prototype.groupToMap

An ESnext spec-compliant `Array.prototype.groupToMap` shim/polyfill/replacement that works as far down as ES3.
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32

RegExp.prototype.flags

ES6 spec-compliant RegExp.prototype.flags shim
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33

String.prototype.trimRight

ES2019 spec-compliant shim for String.prototype.trimRight.
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34

array-from-async

An implementation for Array.fromAsync, which dumps an async iterator into an array.
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35

Array.prototype.toSorted

An ESnext spec-compliant `Array.prototype.toSorted` shim/polyfill/replacement that works as far down as ES3.
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36

Array.prototype.every

Array.prototype.every spec-compliant polyfill
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37

String.prototype.trimLeft

ES2019 spec-compliant shim for String.prototype.trimLeft.
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38

es-shims

Everything required to ensure that a browser is as ECMAScript-compliant as possible.
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39

Symbol.prototype.description

Spec-compliant shim for Symbol.prototype.description proposal.
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40

String.prototype.trimEnd

ES2019 spec-compliant String.prototype.trimEnd shim
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41

set-tojson

Rejected ESNext Proposal: Set#toJSON
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42

Reflect.ownKeys

ES2015 spec-compliant shim for Reflect.ownKeys
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Promise.withResolvers

ES Proposal spec-compliant shim for Promise.withResolvers
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Array.prototype.indexOf

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String.prototype.trimStart

ES2019 spec-compliant String.prototype.trimStart shim
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46

map-tojson

Rejected ESNext Proposal: Map#toJSON
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47

Number.isInteger

An ES-spec-compliant Number.isInteger shim/polyfill/replacement that works as far down as ES3
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48

Array.prototype.filter

Simple ES6 Array.prototype.filter polyfill for older environments.
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Math.fround

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50

Promise.try

ES Proposal spec-compliant shim for Promise.try
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51

Math.sign

An ES-spec-compliant Math.sign shim/polyfill/replacement that works as far down as ES3
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52

es-create-array-iterator

EcmaScript's CreateArrayIterator abstract operation
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53

String.raw

An ES-spec-compliant String.raw shim/polyfill/replacement that works as far down as ES3
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54

Array.prototype.map

Array.prototype.map spec-compliant polyfill
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55

well-known-symbols

An ESnext spec-compliant shim/polyfill/replacement for all Well-Known Symbols that works in any environment with Symbols
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Set.prototype.intersection

An ESnext spec-compliant `Set.prototype.intersection` shim/polyfill/replacement that works as far down as ES3
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iterator-helpers

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
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58

Number.isNaN

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Math.imul

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parseInt

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Set.prototype.difference

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Array.prototype.reduceRight

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

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

Array.prototype.reduce spec-compliant polyfill
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65

Math.atanh

An ES-spec-compliant Math.atanh shim/polyfill/replacement that works as far down as ES3
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3
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66

Reflect.apply

An ES-spec-compliant Reflect.apply shim/polyfill/replacement that works as far down as ES3
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3
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67

Number.parseInt

An ES-spec-compliant Number.parseInt shim/polyfill/replacement that works as far down as ES3
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68

TypedArray.prototype.slice

ES spec-compliant shim for TypedArray.prototype.slice
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3
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69

Array.prototype.lastIndexOf

An ES2015 spec-compliant `Array.prototype.lastIndexOf` shim/polyfill/replacement that works as far down as ES3.
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3
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70

Array.prototype.findLast

An ESnext spec-compliant `Array.prototype.findLast` shim/polyfill/replacement that works as far down as ES3.
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3
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71

Object.defineProperties

ES spec-compliant `Object.defineProperties` shim/polyfill/replacement that works as far down as ES3
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3
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72

Math.clz32

An ES-spec-compliant Math.clz32 shim/polyfill/replacement that works as far down as ES3
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3
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73

Array.prototype.keys

An ES2015 spec-compliant `Array.prototype.keys` shim/polyfill/replacement that works as far down as ES3.
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3
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74

Array.prototype.copyWithin

An ES2015 spec-compliant `Array.prototype.copyWithin` shim/polyfill/replacement that works as far down as ES3.
JavaScript
3
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75

Array.prototype.findLastIndex

An ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
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3
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76

Number.isFinite

An ES-spec-compliant Number.isFinite shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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77

String.prototype.split

String.prototype.split spec-compliant polyfill
JavaScript
2
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78

Set.prototype.isSupersetOf

An ESnext spec-compliant `Set.prototype.isSupersetOf` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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79

Array.prototype.entries

An ES2015 spec-compliant `Array.prototype.entries` shim/polyfill/replacement that works as far down as ES3.
JavaScript
2
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80

Map

An ES2015 spec-compliant `Map` shim/polyfill/replacement that works as far down as ES3.
JavaScript
2
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81

ArrayBuffer.prototype.detached

ES Proposal spec-compliant shim for ArrayBuffer.prototype.detached
JavaScript
2
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82

Date

ES spec-compliant `Date` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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83

es-set-tostringtag

A helper to optimistically set Symbol.toStringTag, when possible.
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2
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84

Object.getPrototypeOf

An ES5 mostly-spec-compliant `Object.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible.
JavaScript
2
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85

Set.prototype.isDisjointFrom

An ESnext spec-compliant `Set.prototype.isDisjointFrom` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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86

Math.f16round

An ES-spec-compliant Math.f16round shim/polyfill/replacement that works as far down as ES3
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2
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87

all

All of the es-shims, auto-installed into the environment
JavaScript
2
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88

Set.prototype.symmetricDifference

An ESnext spec-compliant `Set.prototype.symmetricDifference` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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89

typedarray

JavaScript
2
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90

Array.prototype.values

An ES2015 spec-compliant `Array.prototype.values` shim/polyfill/replacement that works as far down as ES3.
JavaScript
2
star
91

Math.cbrt

An ES-spec-compliant Math.cbrt shim/polyfill/replacement that works as far down as ES3
JavaScript
2
star
92

Array.prototype.forEach

Array.prototype.forEach spec-compliant polyfill
JavaScript
2
star
93

Set.prototype.isSubsetOf

An ESnext spec-compliant `Set.prototype.isSubsetOf` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
star
94

Number.parseFloat

An ES-spec-compliant Number.parseFloat shim/polyfill/replacement that works as far down as ES3
JavaScript
2
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95

Set.prototype.union

An ESnext spec-compliant `Set.prototype.union` shim/polyfill/replacement that works as far down as ES3
JavaScript
2
star
96

Array.prototype.some

Array.prototype.some spec-compliant polyfill
JavaScript
2
star
97

SuppressedError

ES Proposal spec-compliant shim for SuppressedError
JavaScript
2
star
98

es-string-html-methods

An ES-spec-compliant shim/polyfill/replacement for the Annex B String.prototype HTML methods that works as far down as ES3
JavaScript
1
star
99

Set

An ESnext spec-compliant `Set` shim/polyfill/replacement that works as far down as ES3.
JavaScript
1
star
100

Math.acosh

An ES-spec-compliant Math.acosh shim/polyfill/replacement that works as far down as ES3
JavaScript
1
star