Brand checking of React Elements.

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

string representations of objects in node and the browser

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

ECMAScript spec abstract operations.

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.

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

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

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.

Determine if a value is an ES6 Symbol or not.

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

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

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

ES2017 spec-compliant Object.values shim.

Object.prototype.hasOwnProperty.call shortcut

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

Runtime type checking for React props and similar objects.

process information for node.js and browsers

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

Implements performance.now (based on process.hrtime).

Parse, validate, manipulate, and display dates

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

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

A simple utility for conditionally joining classNames together

Create your next immutable state by mutating the current one

A library for arbitrary-precision decimal and non-decimal arithmetic

Lodash exported as ES modules.

requestAnimationFrame polyfill for node and the browser

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

Fast 3kb React-compatible Virtual DOM library.

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

Trap focus within a DOM node.

Custom React PropType validators that we use at Airbnb.

For use with React PropTypes. Will error on any prop not explicitly specified.

Manage multiple event handlers using few event listeners

A lightweight, powerful javascript datetime picker

Auth0 SDK for Single Page Applications using Authorization Code Grant Flow with PKCE

To make your life with React Portals easier.

Polyfill for :focus-visible pseudo-selector

A beautiful, responsive, customizable and accessible (WAI-ARIA) replacement for JavaScript's popup boxes, supported fork of sweetalert

Polyfill/shim for `document.contains`

A React component for dealing with clicks outside its subtree

Components to provide and consume RTL or LTR direction in React

React proptype for moment module

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A responsive and accessible date range picker component built with React

Sometimes you have to do horrible things, like use the global object to share a singleton. Abstract that away, with this!

Interface for react-with-styles outputting CSS

Is the current JS environment a touch device?

A small library to provide I18n on JavaScript.

The official Semantic-UI-React integration.