Runtime for Regenerator-compiled generator and async functions.

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.

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

ES2015 `Object.assign()` ponyfill

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

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.

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

Cooperative scheduler for the browser environment.

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.

React is a JavaScript library for building user interfaces.

React package for working with the DOM.

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

Parse, validate, manipulate, and display dates

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

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 react component toolset for managing animations

tiny modular DOM lib for ie9+

Lodash exported as ES modules.

Immutable date wrapper

requestAnimationFrame polyfill for node and the browser

Throttle and debounce functions.

Most modern mobile touch slider and framework with hardware accelerated transitions

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

Datadog browser core utilities.

A platform detection library that works on nearly all JavaScript platforms.

Custom React PropType validators that we use at Airbnb.

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

Better handling for window object in SSR environment

Manage multiple event handlers using few event listeners

Minimalistic JavaScript library for DOM manipulation, with a jQuery-compatible API

To make your life with React Portals easier.

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?