Shim Packages

Simple polyfill for URLSearchParams standard

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

Test for deep equality - Node.js `assert.deepStrictEqual()` algorithm as a standalone module

Polyfill for Scoped CSS

React component to render a placeholders while you wait for content to load

WebRTC-related APIs and shims used by twilio-video.js

A simple HTMLElement shim on the server.

Lightweight replacement for the ow validation library meant for browser usage.

`Object.entries()` ponyfill

Fake IndexedDB: a pure JS in-memory implementation of the IndexedDB API

Standard library

Makes CommonJS-incompatible modules browserifyable.

Node.js 0.12 buffer.equals() ponyfill

browserify transform that exposes globals added via a script tag as modules so they can be required.

ES2015 Math.imul() ponyfill

A robust & optimized `Array.of` polyfill, based on the ECMAScript 6 specification.

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

Node.js `os.userInfo()` ponyfill

Node.js 0.12 childProcess.execFileSync() ponyfill

Tiny KeyboardEvent#key shim for IE and MS Edge