Parse, validate, manipulate, and display dates

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

Safer Node.js Buffer API

The string_decoder module from Node core

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

Brand checking of React Elements.

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

Node.js Buffer API, for the browser

Runtime for Regenerator-compiled generator and async functions.

Lodash modular utilities.

babel's modular runtime helpers

Encode & decode XML and HTML entities with ease & speed

Run a function exactly one time

The `util.is*` functions introduced in Node v0.12.

Callback wrapping utility

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

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

string representations of objects in node and the browser

Object.prototype.hasOwnProperty.call shortcut

Implementation of Function.prototype.bind

Read/write IEEE754 floating point numbers from/to a Buffer or array-like object

The Node.js `util.deprecate()` function with browser support

HTML parser and serializer.

Utilities for working with htmlparser2's dom

Robustly `.call.bind()` a function

ES2015 `Object.assign()` ponyfill

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

Base64 encoding/decoding in pure JS

render domhandler DOM nodes to a string

ECMAScript spec abstract operations.

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

Handler for htmlparser2 that turns pages into a dom

all the types of nodes in htmlparser2's dom

process.nextTick but always with args

Node's event emitter for all engines.

Node.js's util module for all engines

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

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

A library for deep (recursive) merging of Javascript objects

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

a CSS selector compiler/engine

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

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Determine if a value is an ES6 Symbol or not.

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

a CSS selector parser

Fast & forgiving HTML/XML parser

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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

Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Does this JS environment support the `name` property on functions?

An ES2015 spec-compliant `Function.prototype.name` shim

ES2017 spec-compliant Object.values shim.

An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

Runtime type checking for React props and similar objects.

Cooperative scheduler for the browser environment.

An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

React is a JavaScript library for building user interfaces.

process information for node.js and browsers

React package for working with the DOM.

two functions: One that returns true, one that returns false

ES2017 spec-compliant Object.entries shim.

ES5 spec-compliant shim for String.prototype.trim

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

emotion's memoize utility

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

A shim for the setImmediate efficient script yielding API

the path module from node core for browsers

An object of css properties that don't accept values with units

A react component toolset for managing animations

tiny modular DOM lib for ie9+

A simple utility for conditionally joining classNames together

Symbol.observable ponyfill

A function to check whether a prop is valid for HTML and SVG elements

the stream module from node core for browsers

ECMAScript extensions and shims

The Lodash method `_.isEqual` exported as a module.

Fastest deep equal comparison for React. Great for React.memo & shouldComponentUpdate. Also really fast general-purpose deep comparison.

A mirror of Facebook's Warning

timers module for browserify

implementation of crypto for the browser

Node's querystring module for all engines. (ES3 compat fork)

Utility package to determine if an `Array.prototype` method properly boxes the callback's receiver and third argument.

Predictable state container for JavaScript apps

Regular expression for matching IP addresses (IPv4 & IPv6)

Lodash exported as ES modules.

Like lodash isEqualWith but for shallow equal.

Tiny, fast, and elegant implementation of core jQuery designed specifically for the server

Official library to use Popper on React projects

A custom build of Stylis

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

Check if something is a promise

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

Thunk middleware for Redux.

Tiny 200b functional Event Emitter / pubsub.

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

Simple reusable React error boundary component

HTML5 `FormData` for Browsers and Node.

Firebase Component Platform

A simple and powerful JavaScript animation library

A lib for generating Style Sheets with JavaScript.

Angular - the routing library

Data-Driven Documents

Adaptation of react-addons-shallow-compare, for independent usage

A document head manager for React

Create components whose prop changes map to a global side effect

React Hooks library for remote data fetching

Stripe.js loading utility

Copy-to-clipboard React component

Responsive, theme-based style props for building design systems with React

React Bootstrap components

Styled System for the `css` prop

Read the docs: https://styled-system.com/variants

Ultimate calendar for your React app.

chain a bunch of functions together into a single call

Stand alone shallowCompare for use in libraries that support shouldComponentUpdate

A framework for building GraphQL-driven React applications.

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

A higher order component that displaces your component into a remote region of the DOM

A highly-customizable web-based chat client for Azure Bot Services.