npm51Moderatehealth index
es-shims/Object.valuesES2017 spec-compliant shim for Object.values
JavaScript★ 73↓ 253M/moJul 22, 2026
npm51Moderatehealth index
es-shims/RegExp.prototype.flagsES6 spec-compliant RegExp.prototype.flags shim
JavaScript★ 8↓ 320M/moJul 22, 2026
npm51Moderatehealth index
es-shims/String.prototype.trimStartES2019 spec-compliant String.prototype.trimStart shim
JavaScript★ 4↓ 299M/moJul 22, 2026
npm51Moderatehealth index
JavaScript★ 46↓ 357M/moJul 22, 2026
npm50Moderatehealth index
es-shims/Object.fromEntriesOfficial ES spec-compliant polyfill for Object.fromEntries
JavaScript★ 32↓ 248M/moJul 22, 2026
Packagist50Moderatehealth index
symfony/polyfill-intl-idnSymfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions
PHP★ 3,363↓ 15.6M/moJul 13, 2026
Packagist49At riskhealth index
symfony/polyfill-ctypeSymfony polyfill for ctype functions
PHP★ 4,043↓ 17M/moJul 13, 2026
Packagist49At riskhealth index
symfony/polyfill-deepcloneSymfony polyfill for the deepclone extension
PHP★ 8↓ 2.6M/moJul 22, 2026
Packagist49At riskhealth index
symfony/polyfill-iconvSymfony polyfill for the Iconv extension
PHP★ 1,760↓ 4.3M/moJul 22, 2026
Packagist49At riskhealth index
symfony/polyfill-intl-normalizerSymfony polyfill for intl's Normalizer class and related functions
PHP★ 2,071↓ 17.5M/moJul 13, 2026
Packagist49At riskhealth index
symfony/polyfill-php81Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions
PHP★ 884↓ 8.6M/moJul 22, 2026
Packagist48At riskhealth index
symfony/polyfill-php73Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions
PHP★ 2,372↓ 6.4M/moJul 22, 2026
Packagist48At riskhealth index
symfony/polyfill-php86Symfony polyfill backporting some PHP 8.6+ features to lower PHP versions
PHP★ 6↓ 5.7M/moJul 22, 2026
Packagist48At riskhealth index
symfony/polyfill-uuidSymfony polyfill for uuid functions
PHP★ 688↓ 12.1M/moJul 13, 2026
es-shims/Reflect.getPrototypeOfAn ES2015 mostly-spec-compliant `Reflect.getPrototypeOf` sham/polyfill/replacement that works in as many engines as possible.
JavaScript★ 3↓ 265M/moJul 22, 2026
Packagist47At riskhealth index
symfony/polyfill-php82Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions
PHP★ 67↓ 3.9M/moJul 22, 2026
inspect-js/array-buffer-byte-lengthGet the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
JavaScript★ 2↓ 297M/moJul 22, 2026
es-shims/Array.prototype.findLastIndexAn ESnext spec-compliant `Array.prototype.findLastIndex` shim/polyfill/replacement that works as far down as ES3.
JavaScript★ 3↓ 189M/moJul 22, 2026
es-shims/ArrayBuffer.prototype.sliceES spec-compliant shim for ArrayBuffer.prototype.slice
JavaScript★ 0↓ 293M/moJul 22, 2026
sindresorhus/p-tryStart a promise chain
JavaScript · TypeScript★ 62↓ 362M/moJul 22, 2026
isaacs/fs.realpathUse node's fs.realpath, but fall back to the JS implementation if the native one fails
JavaScript★ 25↓ 366M/moJul 22, 2026
PyPI43At riskhealth index
python-trio/async_generatorMaking it easy to write async iterators in Python 3.5
Python★ 103Jul 18, 2026
toyobayashi/wasm-utilNo repository description published.
TypeScript · JavaScript★ 39↓ 242M/moJul 22, 2026
williamthome/json_polyfillA polyfill for the OTP json module (EEP68)
Erlang★ 5Jul 17, 2026
isaacs/core-util-isThe util.is* functions from Node core
JavaScript★ 101↓ 383M/moJul 22, 2026
NuGet37At riskhealth index
manuelroemer/IsExternalInitA source code only package which allows you to use C# 9's init and record features in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework by providing a polyfill for the IsExternalInit class.
C#★ 115Jul 17, 2026
unjs-archive/create-requirePolyfill for Node.js module.createRequire (<= v12.2.0)
JavaScript★ 31Jul 22, 2026
NuGet35At riskhealth index
manuelroemer/NullableA source code only package which allows you to use .NET's nullable attributes in older target frameworks like .NET Standard 2.0 or the "old" .NET Framework.
C#★ 198Jul 17, 2026
symfony/polyfill-php72Symfony polyfill backporting some PHP 7.2+ features to lower PHP versions
Mixed★ 4,731↓ 4.4M/moJul 22, 2026
wesleytodd/setprototypeofPolyfill for Object.setPrototypeOf
JavaScript★ 53↓ 450M/moJul 22, 2026