Polyfill Packages

An ES5 spec-compliant `Date.prototype.getYear` shim/polyfill/replacement that works as far down as ES3.

Web standard polyfill for Declarative Shadow DOM

A polyfill for the BarcodeDetector API using the ZXing library

A Barcode Detection API polyfill that uses ZXing webassembly under the hood

Barcode detector polyfill using zbar.wasm

Audio

polyfill

EventEmitter-like syntax for browser's EventTarget.

polyfill for buffer

A BroadcastChannel that works in New Browsers, Old Browsers, WebWorkers and NodeJs

An ESnext spec-compliant `DisposableStack`, `AsyncDisposableStack`, `Symbol.dispose`, and `Symbol.asyncDispose` shim/polyfill/replacement that works as far down as ES3.

Polyfill for navigator.mediaDevices.ondevicechange to detect Bluetooth headsets on Android Chrome.

An polyfill for DOM Events and related APIs, extracted from Node.js, for use in WinterCG runtimes

A re-export of the dialog-polyfill module compatible with SSR

Polyfill that enables HTML5 drag drop support on mobile (touch) devices

Polyfill for DNT browser APIs

A polyfill for imperative slot assignment

Browser polyfill for making React Native compatible with web libs like pixi.js, three.js, phaser.js

Time in seconds since the epoch.

Provides node builtin polyfills