Improved typeof detection for node.js and the browser.
Simple and complete React DOM testing utilities that encourage good testing practices.
A React Native wheel picker that allows endless scrolling through repeating content
Determine if a function is a native generator function.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.
Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.
A light-weight module that brings Fetch API to node.js
Object GUI - Fully customizable Javascript Object GUI Editor
Web framework built on Web Standards
webpack Validation Utils
Robustly `.call.bind()` a function
Returns an array of Typed Array names that are available in the current environment
Hooks for managing, caching and syncing asynchronous and remote data in React
ES6 spec-compliant RegExp.prototype.flags shim.
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
Human-friendly process signals
A simple cache for a few of the JS Error constructors.
A robust, ES3 compatible, "has own property" predicate.
`Object.defineProperty`, but not IE 8's broken one.
A list of color names and its values
HTTP status utility
ES2019 spec-compliant String.prototype.trimStart shim.
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.