RFC4122 (v1, v4, and v5) UUIDs

Brand checking of React Elements.

babel's modular runtime helpers

ES2015 `Object.assign()` ponyfill

A tiny (116 bytes), secure URL-friendly unique string ID generator

Standard library

Escape string for use in HTML

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

Modern JavaScript date utility library

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

A Query Language and Runtime which can target any service.

Floating UI for the web

Positioning library for floating elements: tooltips, popovers, dropdowns, and more

A mirror of Facebook's Warning

implementation of crypto for the browser

A simple, lightweight JavaScript API for handling cookies

Like lodash isEqualWith but for shallow equal.

A lightweight toolset for writing styles in Javascript.

Backwards compatibility polyfill for React class components

The same useRef, but with callback

Sidecar code splitting utils

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

The engine that powers scroll-into-view-if-needed

Time zone support for date-fns v3 with the Intl API

DOM trap for a focus

React's ExecutionEnvironment module extracted for use in other packages & components

It is a trap! (for a focus)

Create components whose prop changes map to a global side effect

Accessible modal dialog component for React.JS

🏎 A set of primitives to build simple, flexible, WAI-ARIA compliant React autocomplete, combobox or select dropdown components.

Datadog Real User Monitoring (RUM) enables you to visualize and analyze the real-time performance and user journeys of your application's individual users.

A simple and composable way to validate data in JavaScript (and TypeScript).

A tiny but capable push & pull stream library for TypeScript and Flow

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)

A Node.js module for the optimized JavaScript implementation of the MurmurHash algorithms.

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

Optimizely Full Stack Utils

Optimizely Full Stack Event Processor

Optimizely Full Stack Core Logging

Optimizely Full Stack Datafile Manager

A spinning activity indicator

Isomorphic router for JavaScript web applications

A library to edit lottie-web animations dynamically