The semantic version parser used by npm.

A cache object that deletes the least-recently-used items.

Yet Another Linked List

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

Brand checking of React Elements.

Express style path to RegExp utility

Promise based HTTP client for the browser and node.js

Fast deep equal

Node's event emitter for all engines.

all the types of nodes in htmlparser2's dom

deep cloning of objects and arrays

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

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

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

A Light–weight CSS Preprocessor

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

A react component toolset for managing animations

tiny modular DOM lib for ie9+

A tiny invariant function

The Lodash method `_.isEqual` exported as a module.

Lodash exported as ES modules.

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

Core Storybook Router

implementation of crypto for the browser

Tiny, fast, and elegant implementation of core jQuery designed specifically for the server

Manage session history with JavaScript

Join urls and normalize as in path.join.

Backwards compatibility polyfill for React class components

Topological sort of directed ascyclic graphs (like dependecy lists)

A polyfill for the Resize Observer API

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

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

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

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

Create components whose prop changes map to a global side effect

Datadog browser core utilities.

A document head manager for React

A simple base class for creating fast, lightweight web components

Smaller Polyfill for the proposed React context API

React charts

react animation library

Simple, scalable state management.

Lightweight React bindings for MobX based on React 16.8+ and Hooks

Enables body scroll locking (for iOS Mobile and Tablet, Android, desktop Safari/Chrome/Firefox) without breaking scrolling of a target element (eg. modal/lightbox/flyouts/nav-menus)

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

Utilities for creating robust overlay components

A React hook for changing properties or visibility of a component based on css media query

🤖/👨‍🦰 Recognise bots/crawlers/spiders using the user agent string.

React code splitting made easy.

High performance (jankfree) lazy loader for images (including responsive images), iframes and scripts (widgets).

React SDK for Optimizely Feature Experimentation, Optimizely Full Stack (legacy), and Optimizely Rollouts

A library to edit lottie-web animations dynamically

Lazy-loading React background-image component with optional support for the blur-up effect.

React component of botframework-webchat