ECMAScript extensions and shims

Lightweight debugging utility for Node.js and the browser

Runtime library for TypeScript helper functions

Tiny millisecond conversion utility

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

Brand checking of React Elements.

A querystring parser that supports nesting and arrays, with a depth limit

babel's modular runtime helpers

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

Implementation of Function.prototype.bind

Express style path to RegExp utility

Promise based HTTP client for the browser and node.js

Robustly `.call.bind()` a function

string representations of objects in node and the browser

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

Reactive Extensions for modern JavaScript

Returns true if an object was created by the `Object` constructor, or Object.create(null).

ECMAScript spec abstract operations.

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

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

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

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

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

Standard library

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

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

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

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

Object.prototype.hasOwnProperty.call shortcut

Cooperative scheduler for the browser environment.

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.

2KB immutable date time library alternative to Moment.js with the same modern API

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

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

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

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

A simple utility for conditionally joining classNames together

Parse and stringify URL query strings

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

Delete nested properties from an object using dot notation.

Get an iterator for any JS language value. Works robustly across all environments, all versions.

A Query Language and Runtime which can target any service.

A practical functional library for JavaScript programmers.

A window.fetch polyfill.

A tiny invariant function

Create your next immutable state by mutating the current one

A memoization library which only remembers the latest invocation

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

Declarative routing for React

Lodash exported as ES modules.

Predictable state container for JavaScript apps

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

implementation of crypto for the browser

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

babel selfContained runtime

Tools for debugging your node.js modules and event loop

socket.io protocol parser

Manage session history with JavaScript

Lightweight, robust, elegant syntax highlighting. A spin-off project from Dabblet.

Decode JWT tokens, mostly useful for browser applications.

A JavaScript template literal tag that parses GraphQL queries

Backwards compatibility polyfill for React class components

A Select control built with and for ReactJS

An Implementation of ES Observables

Fast Color Parsing and Manipulation

Resolve URL pathnames using JavaScript

Are these two JavaScript values equal?

Structural equality checking for JavaScript values

Formats ICU Message strings with number, date, plural, and select placeholders to create localized messages.

Array-slice method. Slices `array` from the `start` index up to, but not including, the `end` index.

An ES5 spec-compliant `Array.prototype.map` shim/polyfill/replacement that works as far down as ES3.

Iterate any JS iterator. Works robustly in all environments, all versions.

ES Proposal spec-compliant shim for Promise.allSettled

An onClickOutside wrapper for React components

A simple and reusable datepicker component for React

React's ExecutionEnvironment module extracted for use in other packages & components

Auto-resizing Input Component for React

Create components whose prop changes map to a global side effect

Smaller Polyfill for the proposed React context API

Trap focus within a DOM node.

Custom React PropType validators that we use at Airbnb.

Accessible modal dialog component for React.JS

Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.

Parses ICU Message strings into an AST via JavaScript.

Flexible, lightweight transport layer for GraphQL

React components that implement Google's Material Design.

Saga middleware for Redux to handle Side Effects

Cybernetically enhanced web apps

Amazingly short non-sequential url-friendly unique id generator.

Logger for Redux

A React utility belt for function components and higher-order components

Detect device type and render your component according to it

A React component for playing a variety of URLs, including file paths, YouTube, Facebook, Twitch, SoundCloud, Streamable, Vimeo, Wistia and DailyMotion

Http utilities for Apollo Link shared across all links using http

Listen for changes. Like an event emitter that only emits a single event type. Really tiny.

Common utilities and types for Chakra UI

Media queries in react for responsive design

A React component that traps focus.

Returns a list of strings representing the user's preferred languages.

Microsoft sucks

A simple yet functional GraphQL client.

Core abstract of Caching layer for Apollo Client

Cross-browser element class list

A higher order component decorator for forms using Redux and React

InstantSearch.js is a JavaScript library for building performant and instant search experiences with Algolia.

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

Formats JavaScript dates to relative time strings.

Analytics utility functions used by 'analytics' module

React Apollo common utilities.

A global utility for tracking the current input method (mouse, keyboard or touch).

WordPress URL utilities.

Compiles a function to compute the plural forms index for a given value

Runtime type checking for react-router props

Batch HTTP transport layer for GraphQL

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

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

Monadic streams

## Documentation