Brand checking of React Elements.

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

babel's modular runtime helpers

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

Implementation of Function.prototype.bind

Robustly `.call.bind()` a function

Fast deep equal

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

ES2015 `Object.assign()` ponyfill

ECMAScript spec abstract operations.

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.

Node's event emitter for all engines.

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

Standard library

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Returns an array of Typed Array names that are available in the current environment

Node.js's util module for all engines

A better forEach

Cooperative scheduler for the browser environment.

Object.prototype.hasOwnProperty.call shortcut

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.

Determine if a function is a native generator function.

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

Universal WHATWG Fetch API for Node, Browsers and React Native

the path module from node core for browsers

A simple utility for conditionally joining classNames together

The assert module from Node.js, for the browser.

JavaScript's functional programming helper library.

Create your next immutable state by mutating the current one

Predictable state container for JavaScript apps

A lightweight library that provides tools for organizing asynchronous code

Core Storybook Router

Backwards compatible shim for React's useSyncExternalStore. Works with any React that supports hooks.

Emulate console for all the browsers

Official React bindings for Redux

Check if something is a promise

Thunk middleware for Redux.

HTML5 `FormData` for Browsers and Node.

The official, opinionated, batteries-included toolset for efficient Redux development

base abstract trigger component for react

A javascript library for multi-touch gestures

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

The default theme for chakra components

A polyfill for creating CustomEvents on IE9+ if the native implementation is missing.

Lightweight React component for animating height using CSS transitions.

file downloading using client-side javascript

noUiSlider is a lightweight JavaScript range slider.

Polyfill object-fit and object-position on images on IE9, IE10, IE11, Edge, Safari, ...