The React Framework

Node.js Streams, a user-land copy of the stream library from Node.js

The string_decoder module from Node core

Brand checking of React Elements.

Browser-friendly inheritance fully compatible with standard node.js inherits()

Make a callback- or promise-based function support both promises and callbacks.

Node.js Buffer API, for the browser

Encode & decode XML and HTML entities with ease & speed

babel's modular runtime helpers

Get and robustly cache all JS language-level intrinsics at first require time

Implementation of Function.prototype.bind

Robustly `.call.bind()` a function

Determine if the JS environment has Symbol support. Supports spec, or shams.

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

Utilities for working with htmlparser2's dom

ECMAScript spec abstract operations.

Base64 encoding/decoding in pure JS

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

render domhandler DOM nodes to a string

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Handler for htmlparser2 that turns pages into a dom

Determine if the JS environment has `Symbol.toStringTag` support. Supports spec, or shams.

Node's event emitter for all engines.

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

all the types of nodes in htmlparser2's dom

Standard library

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Returns an array of Typed Array names that are available in the current environment

Node.js's util module for all engines

A better forEach

Fast & forgiving HTML/XML parser

Cooperative scheduler for the browser environment.

Object.prototype.hasOwnProperty.call shortcut

Runtime type checking for React props and similar objects.

Is this an arguments object? It's a harder question than you think.

React is a JavaScript library for building user interfaces.

The lodash method `_.debounce` exported as a module.

Determine if a function is a native generator function.

Modern JavaScript date utility library

ES2015-compliant shim for Object.is - differentiates between -0 and +0

Copies non-react specific statics from a child component to a parent component

the path module from node core for browsers

A simple utility for conditionally joining classNames together

The assert module from Node.js, for the browser.

The lodash method `_.sortBy` exported as a module.

String validation and sanitization

Lodash exported as ES modules.

JavaScript library to generate a human readable String describing the file size

Like lodash isEqualWith but for shallow equal.

Array of "void elements" defined by the HTML specification.

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

A polyfill for the Resize Observer API

Check if something is a promise

CSS for the <Component> Age. Style components your way with speed, strong typing, and flexibility.

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

Slugifies a String

Configuration and scripts for Create React App.

ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill

String convertions

Generate media query string from JSON or javascript object

A simple base class for creating fast, lightweight web components

Collection of React Hooks

Awesome Media Queries in JavaScript

React port of slick carousel

Reusable hooks

Masked input component for React

React Native for Web

Social media share buttons and share counts for React.

The easiest way to translate your NextJs apps.

Parse HTML into React components

React integration for @bugsnag/js

A general purpose library for building credit card forms, validating inputs and formatting numbers. Base on jquery.payment by @stripe, but without the jQuery.

The `themeGet` function is an existential getter function that can be used in any style declaration to get a value from your theme, with support for fallback values. This helps prevent errors from throwing when a theme value is missing, which can be helpf

Javascript module template.

Polyfill Web Speech API with Cognitive Services Speech-to-Text service

Use amphtml components inside your React apps easily!

Higher order component for matchMedia