Polyfill

@fastly/performance-observer-polyfillTypeScript

A polyfill that enables the PerformanceObserver API in browsers with basic Performance Timeline support but lacking observer capabilities.

Joomla UI custom elementsJavaScript

A collection of reusable UI components built as W3C custom elements for Joomla 4.

es6-weak-mapJavaScript

A polyfill implementation of the WeakMap collection as specified in ECMAScript 6.

number-is-nanJavaScript

A ponyfill for ES2015 Number.isNaN() that provides a reliable NaN check.

react-native-match-mediaJavaScript

A window.matchMedia polyfill for React Native that enables responsive design testing with media queries.

Array.prototype.findIndexJavaScript

A polyfill that provides ES6 Array.prototype.findIndex functionality for older JavaScript environments.

String.prototype.repeatJavaScript

A robust and optimized ES3-compatible polyfill for the ECMAScript 6 String.prototype.repeat method.

object-isJavaScript

ES2015-compliant shim for Object.is that differentiates between -0 and +0 and correctly compares NaN.

buffer-fromJavaScript

A ponyfill for Buffer.from that uses native implementation when available.

ES6 Map ShimJavaScript

A destructive shim that implements the ES6 Map specification for environments lacking native support.

Number.isFiniteJavaScript

A ponyfill for ES2015 Number.isFinite() that checks if a value is a finite number.

ember-named-arguments-polyfillJavaScript

Polyfills named arguments support for Ember 2.10 through 3.0, enabling addon authors to use the feature before Ember 3.1.

Array.ofJavaScript

An ES2015 spec-compliant polyfill for the Array.of method, providing robust ES3-compatible shimming.

string.prototype.trimJavaScript

ES5 spec-compliant shim for String.prototype.trim that corrects engine bugs and works in ES3 environments.

cross-blobJavaScript

A cross-platform Blob implementation for Node.js and the Web, providing a consistent API across environments.

@corpuscule/custom-builtin-elementsJavaScript

A polyfill enabling customized built-in elements support for browsers like Safari, Edge, and IE 11.

is-integerJavaScript

ES2015 Number.isInteger polyfill implemented in ES3 for cross-browser compatibility.

named-regexp-groupsJavaScript

A JavaScript library providing named capture groups and back-references for regular expressions.

ember-modifier-manager-polyfillJavaScript

A polyfill that enables element modifier managers in Ember.js versions 2.12 through 3.7.

RegExp.prototype.matchJavaScript

A robust and optimized ES3-compatible polyfill for the RegExp.prototype.match method in ECMAScript 6.

ember-native-class-polyfillJavaScript

Polyfills native class behavior for Ember.js as specified in the ES Classes RFCs.

string.prototype.trimleftJavaScript

ES2019 spec-compliant shim for String.prototype.trimLeft to ensure consistent string trimming behavior across JavaScript environments.

string.prototype.trimrightJavaScript

ES2019 spec-compliant shim for String.prototype.trimRight, providing polyfill functionality for older JavaScript environments.

array.prototype.everyJavaScript

A spec-compliant polyfill for Array.prototype.every that works in ES3+ environments.

@ungap/import-nodeJavaScript

A polyfill for the document.importNode API to support IE11 and other legacy browsers.

shai-hulud-scannerShell

A fast security scanner that detects the Shai Hulud 2.0 npm supply chain attack by checking for malicious files, hashes, and compromised packages.

ember-fn-helper-polyfillJavaScript

A polyfill for the {{fn}} helper in Ember.js, enabling partial function application in templates for older versions.

ES6 Map, Set, WeakMapJavaScript

A polyfill for ECMAScript 6 collections (Map, WeakMap, Set) compatible with ECMAScript 5 environments.

array.prototype.someJavaScript

A spec-compliant polyfill for Array.prototype.some that works in ES3+ environments.

cross-formdataJavaScript

A cross-platform FormData implementation for Node.js and browsers with consistent API support.