Parse, validate, manipulate, and display dates

The React Framework

Escape RegExp special characters

RFC4122 (v1, v4, and v5) UUIDs

Brand checking of React Elements.

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

A querystring parser that supports nesting and arrays, with a depth limit

Node.js Buffer API, for the browser

babel's modular runtime helpers

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

Implementation of Function.prototype.bind

Promise based HTTP client for the browser and node.js

HTTP server cookie parsing and serialization

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.

Store information about any JS value in a side channel. Uses WeakMap if available.

Base64 encoding/decoding in pure JS

Node's event emitter for all engines.

Node.js's util module for all engines

Object.prototype.hasOwnProperty.call shortcut

Check if a protocol requires a certain port number to be added to an URL.

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

Like JSON.stringify, but doesn't blow up on circular refs.

ES proposal-spec-compliant Object.fromEntries shim.

Small footprint URL parser that works seamlessly across Node.js and browser environments

Querystringify - Small, simple but powerful query string parser.

Modern JavaScript date utility library

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

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

Node's querystring module for all engines.

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

A react component toolset for managing animations

Lodash exported as ES modules.

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

implementation of crypto for the browser

Like lodash isEqualWith but for shallow equal.

A lightweight toolset for writing styles in Javascript.

Topological sort of directed ascyclic graphs (like dependecy lists)

Check if something is a promise

Sidecar code splitting utils

Solves a problem with util.format

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

tiny util for getting and setting deep object props safely

Performant, flexible and extensible forms library for React Hooks

Parses set-cookie headers into objects

Formats ICU Message strings with number, date, plural, and select placeholders to create localized messages.

A React hook that allows you to use a ResizeObserver to measure an element's size.

Angular - library for using Angular in a web browser

Datadog browser core utilities.

Monitor if a component is inside the viewport, using IntersectionObserver API

Globals and shared modules

Animated component props for React

The platform-agnostic core of `react-spring`

Collection of React Hooks

React charts

Finite State Machines and Statecharts for the Modern Web.

Internationalize React apps. This library provides React components and an API to format dates, numbers, and strings, including pluralization and handling translations.

`react-dom` support

Parses ICU Message strings into an AST via JavaScript.

Hooks for managing, caching and syncing asynchronous and remote data in React

The animator's toolbox

Parsers, transformers and tests for special value types, eg: %, hex codes etc.

Simple, scalable state management.

Throttle promise-returning & async functions

Core modules for the Contentful JS SDKs

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

Client for Contentful's Content Delivery API

The default theme for chakra components

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

[](https://www.npmjs.com/package/contentful-resolve-response)

Responsive, theme-based style props for building design systems with React

A memoizer factory for Intl format constructors.

Blazing fast modern site generator for React

The official Semantic-UI-React integration.

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

Formats JavaScript dates to relative time strings.

Optimizely Full Stack Utils

Optimizely Full Stack Event Processor

Optimizely Full Stack Core Logging

Optimizely Full Stack Datafile Manager

Toolkit for building accessible rich web apps with React

A spinner is an animated spinning icon that lets users know content is being loaded.

Pure Javascript Multilingual OCR

Typed Schema.org JSON-LD in React

Compiles a function to compute the plural forms index for a given value

Devtools for React Query

Responsive React grid system built with styled-system, with support for styled-components and emotion

Use amphtml components inside your React apps easily!