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#shim

Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.

80 records
Tagged “shim”Ranked by health index
npm
90Excellenthealth index
zloirock/core-js
Standard Library
JavaScript★ 25.5K↓ 526M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
Packagist
88Excellenthealth index
symfony/polyfill
PHP polyfills
PHP★ 2,813↓ 74.5K/moSep 10, 2026
MITSep 10, 2026 · metrics 2.10.0
npm
84Excellenthealth index
pubkey/broadcast-channel
:satellite: BroadcastChannel to send data between different browser-tabs or nodejs-processes :satellite: + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/
JavaScript★ 2,001↓ 11.6M/moSep 17, 2026
MITSep 17, 2026 · metrics 2.10.0
Packagist · npm
78Goodhealth index
dereuromark/cakephp-shim
CakePHP plugin to "shim" functionality up and down for major versions of the framework.
PHP★ 40↓ 43.2K/moSep 15, 2026
MITSep 15, 2026 · metrics 2.10.0
npm
75Goodhealth index
es-shims/array-includes
Array.prototype.includes spec-compliant polyfill
JavaScript★ 43↓ 261M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
71Goodhealth index
es-shims/iterator-helpers
An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.
JavaScript★ 22↓ 233M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
67Goodhealth index
es-shims/String.prototype.matchAll
Spec-compliant polyfill for String.prototype.matchAll, in ES2020
JavaScript★ 17↓ 274M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm · PyPI
67Goodhealth index
thekevinscott/bin-shim
No repository description published.
TypeScript · Python · Rust★ 0↓ 14.8K/moSep 19, 2026
MITSep 19, 2026 · metrics 2.10.0
npm
65Goodhealth index
thednp/dommatrix
A Typescript sourced DOMMatrix shim for Node.js apps and legacy browsers.
TypeScript · JavaScript★ 26↓ 1.1M/moOct 9, 2026
MITOct 9, 2026 · metrics 2.10.0
NuGet
63Moderatehealth index
Tyrrrz/PolyShim
Collection of polyfills for projects targeting older versions of .NET
C#★ 75Sep 11, 2026
MITSep 11, 2026 · metrics 2.10.0
npm
63Moderatehealth index
nodejs/require-in-the-middle
Module to hook into the Node.js require function
JavaScript★ 186↓ 198M/moSep 23, 2026
MITSep 23, 2026 · metrics 2.10.0
npm
62Moderatehealth index
es-shims/Object.hasOwn
Official ES spec-compliant polyfill for Object.hasOwn
JavaScript★ 17↓ 18.6M/moSep 23, 2026
MITSep 23, 2026 · metrics 2.10.0
Packagist
60Moderatehealth index
symfony/polyfill-mbstring
Symfony polyfill for the Mbstring extension
PHP★ 7,816↓ 28.8M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
59Moderatehealth index
es-shims/Function.prototype.name
ES6 spec-compliant Function.prototype.name sham.
JavaScript★ 12↓ 326M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
59Moderatehealth index
es-shims/Promise.try
ES Proposal spec-compliant shim for Promise.try
JavaScript★ 5↓ 280.6K/moOct 19, 2026
MITOct 19, 2026 · metrics 2.10.0
npm
59Moderatehealth index
es-shims/String.prototype.trim
ES5 spec-compliant shim for String.prototype.trim
JavaScript★ 13↓ 320M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
Packagist
57Moderatehealth index
symfony/polyfill-intl-grapheme
Symfony polyfill for intl's grapheme_* functions
PHP★ 1,729↓ 26.6M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
56Moderatehealth index
es-shims/Array.prototype.at
An ES-spec-compliant (proposed) `Array.prototype.at`shim/polyfill/replacement that works as far down as ES3.
JavaScript★ 30↓ 2.3M/moOct 19, 2026
MITOct 19, 2026 · metrics 2.10.0
npm
56Moderatehealth index
es-shims/Object.getOwnPropertyDescriptors
Spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.
JavaScript★ 20↓ 34.6M/moSep 23, 2026
MITSep 23, 2026 · metrics 2.10.0
Packagist
56Moderatehealth index
symfony/polyfill-php85
Symfony polyfill backporting some PHP 8.5+ features to lower PHP versions
PHP★ 64↓ 21.1M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
54Moderatehealth index
ljharb/object.assign
ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim
JavaScript★ 106↓ 362M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
Packagist
54Moderatehealth index
symfony/polyfill-intl-idn
Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
PHP★ 3,345↓ 24.7M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
Packagist
54Moderatehealth index
symfony/polyfill-php84
Symfony polyfill backporting some PHP 8.4+ features to lower PHP versions
PHP★ 146↓ 21.8M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
Packagist
53Moderatehealth index
symfony/polyfill-deepclone
Symfony polyfill for the deepclone extension
PHP★ 12↓ 3.6M/moAug 27, 2026
MITAug 27, 2026 · metrics 2.10.0
Packagist
53Moderatehealth index
symfony/polyfill-php83
Symfony polyfill backporting some PHP 8.3+ features to lower PHP versions
PHP★ 430↓ 20M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
51Moderatehealth index
es-shims/Array.prototype.flat
An ESnext spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.
JavaScript★ 31↓ 254M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
51Moderatehealth index
es-shims/Array.prototype.flatMap
An ESnext spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
JavaScript★ 33↓ 267M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
Packagist
51Moderatehealth index
symfony/polyfill-intl-normalizer
Symfony polyfill for intl's Normalizer class and related functions
PHP★ 2,061↓ 27.7M/moOct 20, 2026
MITOct 20, 2026 · metrics 2.10.0
npm
50Moderatehealth index
es-shims/Object.entries
ES2017 spec-compliant shim for Object.entries
JavaScript★ 59↓ 251M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0
npm
50Moderatehealth index
es-shims/Object.values
ES2017 spec-compliant shim for Object.values
JavaScript★ 72↓ 274M/moSep 16, 2026
MITSep 16, 2026 · metrics 2.10.0