ECMAScript extensions and shims

Runtime library for TypeScript helper functions

Array#isArray for older browsers

Brand checking of React Elements.

A library to create readable "multipart/form-data" streams. Can be used to submit forms and file uploads to other web applications.

Node.js Buffer API, for the browser

babel's modular runtime helpers

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

Implementation of Function.prototype.bind

Lodash modular utilities.

Robustly `.call.bind()` a function

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

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

ES2015 `Object.assign()` ponyfill

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.

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

A library for deep (recursive) merging of Javascript objects

ES6 spec-compliant RegExp.prototype.flags 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.

extend like a boss

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.

process information for node.js and browsers

React package for working with the DOM.

Parse, validate, manipulate, and display dates

node's assert.deepEqual algorithm

Modern JavaScript date utility library

A better decodeURIComponent

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

Universal WHATWG Fetch API for Node, Browsers and React Native

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

A simple utility for conditionally joining classNames together

A Light–weight CSS Preprocessor

Parse and stringify URL query strings

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

A MurmurHash2 implementation

A Query Language and Runtime which can target any service.

A window.fetch polyfill.

JavaScript's functional programming helper library.

serialization utils for emotion

internal utils for emotion

A tiny invariant function

A stricter URI encode adhering to RFC 3986

A memoization library which only remembers the latest invocation

emotion's cache

emotion's stylesheet

Declarative routing for React

A memoization function that uses a WeakMap

Declarative routing for React web applications

Lodash exported as ES modules.

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

A mirror of Facebook's Warning

> Simple styling in React.

Like lodash isEqualWith but for shallow equal.

A tiny warning function

Manage session history with JavaScript

A lightweight toolset for writing styles in Javascript.

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

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It's written in JavaScript and works in all modern browsers (Safari, Opera (15+), Internet Explorer (10+), Firefox and Chrome - as well as almost anything else usin

Copy stuff into clipboard using JS with fallbacks

Toggle current selected content in browser

Official library to use Popper on React projects

A Select control built with and for ReactJS

A custom build of Stylis

A kickass library to manage your poppers

A function to recursively extract files and their object paths within a value, replacing them with null in a deep clone without mutating the original value. FileList instances are treated as File instance arrays. Files are typically File and Blob instance

Minimal GraphQL client supporting Node and browsers for scripts or simple apps

Returns an array of all tabbable DOM nodes within a containing node.

Build forms in React, without the tears

An onClickOutside wrapper for React components

A simple and reusable datepicker component for React

Create a 'gud nuff' (not cryptographically secure) globally unique id

Datadog browser core utilities.

Trap focus within a DOM node.

Hooks for managing, caching and syncing asynchronous and remote data in React

Polyfill for the proposed React context API

JavaScript charting framework

Send logs to Datadog from web browser pages with the browser logs SDK.

Universal Javascript error reporting. Automatically detect JavaScript errors in the browser and Node.js, with plugins for React, Vue, Angular, Express, Restify and Koa.

A function that merges given class names, no matter their format: string with single or multiple class names or an array of class names. Filters out invalid class names as well.

Bugsnag error reporter for browser JavaScript

Give your JS App some Backbone with Models, Views, Collections, and Events.

A React component that traps focus.

Create a debounced version of a promise returning function

Fancy date ranges for Moment.js

Javascript library for Amplitude Analytics

Rails UJS for the react-rails gem

Migrate older jQuery code to jQuery 3.0+

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

Devtools for React Query

A library to edit lottie-web animations dynamically

Use amphtml components inside your React apps easily!

A framework for configuring a JavaScript component and attaching it to a DOM element or collection of DOM elements, simplifying organization of DOM interactions on your website.