#shim

Official ES spec-compliant polyfill for Object.fromEntries

ES6 spec-compliant RegExp.prototype.flags shim

Object.keys shim

Polyfill/shim for util.promisify in node versions < v8

ESBuild Shim Plugin

ES spec-compliant shim for String.prototype.padEnd

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

Symfony polyfill for intl's ICU-related data and classes

Symfony polyfill for intl's MessageFormatter class and related functions

Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions

Symfony polyfill for the Iconv extension

Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions

Symfony polyfill backporting some PHP 8.6+ features to lower PHP versions

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

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

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions

Symfony polyfill backporting some PHP 7.4+ features to lower PHP versions

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Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions

ES spec-compliant shim for ArrayBuffer.prototype.slice

Emulate console for all the browsers

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

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

ES2015 `Array#findIndex()` ponyfill

Start a promise chain

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

fast, tiny `queueMicrotask` shim for modern engines

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

Returns true if a filepath is absolute. The original path-is-absolute.