Shim Packages

Polyfill Library For uni-app

This requestIdleCallback polyfill doesn't use the window object to detect if the feature is supported in the browser and falls back to a simple timeout if the feature isn't supported.

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

Get a lookup table of aliases from your requirejs or browserify config

A curated collection of browser-compatible shims for node core modules

Use abbreviations for checking type of given value. Like `kindof(val, 'soa')` to check that value is string, object or array.

A tiny module that allows you to connect custom audio nodes in your Web Audio API audio chain

node.js eventemitter api for dom events

Cross-browser wheel event listener.

Browser polyfills for heavy backend codebases

ES2017 spec-compliant String.prototype.padLeft shim.

Overseer.js A light weight, simple Object.observe shim

Cross-everything WebRTC Adapter/Polyfill

Never worry about polyfills again.

ES2015 Math.acosh() ponyfill

A simple, limited pure-SASS shim to ease getting out of Compass - because a Compass by any other name still smells as sweet

WebExtension Shim

Pure JavaScript implementation of classList in DOM Element.

An ES-spec-compliant (proposed) String.prototype.item shim/polyfill/replacement that works as far down as ES3

The simple shim for Transition Events with CSS transitions, that transparently intercepts difference between browsers.