Polyfill Packages

The minimal set of polyfills that the Aurelia platform needs to run on ES5 browsers.

A lightweight Promises/A+ compliant implementation of ECMAScript Promise API

MediaRecorder polyfill to record audio in Edge and Safari

Node.js `buffer.includes()` ponyfill

Enable a consistent use of navigator.mediaDevices.enumerateDevices on browsers that support it.

A lightweight implementation of Promise in pure ES5 code for older JS engines

Exposes a ResizeObserver polyfill and component mixin for your Ember App

Provides 'end' method to objects and arrays. Because myArr[myArr.length - 1] is cumbersome. It's non-iteratable, so it doesn't mess with for in.

A browser polyfill for W3C EventSource (http://www.w3.org/TR/eventsource/). This is fork containg fixes. Original work can be found here: https://github.com/amvtek/EventSource.git

ES2015 Object.assign() ponyfill

Provides `Object.getOwnPropertyDescriptors` to older engines

getchar is JavaScript library working as polyfill to supply basic input function to NodeJS.

Polyfill/shim for fs.mkdir in node versions < v10.12

Validate your forms, frontend, without writing a single line of javascript!

JavaScript implementation of W3 DOM4 TreeWalker interface

A polyfill to implement HTML Spec Make target=_blank imply noopener https://github.com/whatwg/html/pull/4330

ServiceWorker CacheQueryOptions polyfill (ignoreSearch)

modules and polyfills for web components

Web polyfills