Promise based HTTP client for the browser and node.js

Parse, validate, manipulate, and display dates

Validate XML, Parse XML, Build XML without C/C++ based libraries

Parse and display moments in any timezone.

ECMAScript extensions and shims

RFC4122 (v1, v4, and v5) UUIDs

Array#isArray for older browsers

Brand checking of React Elements.

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

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.

Express style path to RegExp utility

Robustly `.call.bind()` a function

string representations of objects in node and the browser

Fast deep equal

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.

ES2015 `Object.assign()` ponyfill

A super light and fast circular JSON parser.

A library for deep (recursive) merging of Javascript objects

Standard library

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

Object.prototype.hasOwnProperty.call shortcut

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.

process information for node.js and browsers

React package for working with the DOM.

Simple event emitter

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

A tiny (239B) utility for constructing className strings conditionally.

emotion's memoize utility

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

invariant

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

A Light–weight CSS Preprocessor

Symbol.observable ponyfill

Safely and quickly serialize JavaScript objects

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

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

A react component toolset for managing animations

A MurmurHash2 implementation

A Query Language and Runtime which can target any service.

A practical functional library for JavaScript programmers.

serialization utils for emotion

internal utils for emotion

A tiny invariant function

Create your next immutable state by mutating the current one

emotion's cache

emotion's stylesheet

Declarative routing for React

A memoization function that uses a WeakMap

Declarative routing for React web applications

Predictable state container for JavaScript apps

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

A mirror of Facebook's Warning

elegant & feature rich browser / node HTTP with a fluent API

A simple, lightweight JavaScript API for handling cookies

> Simple styling in React.

Selectors for Redux.

Official React bindings for Redux

A tiny warning function

Manage session history with JavaScript

styled API for emotion

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

Thunk middleware for Redux.

Utility functions for React components.

Resolve URL pathnames using JavaScript

Hyphenates a camelcased CSS property name

Are these two JavaScript values equal?

Simplifies communications with Workbox packages running in the service worker

MUI System is a set of CSS utilities to help you build custom designs more efficiently. It makes it possible to rapidly lay out custom designs.

Private - The React theme context to be shared between `@mui/styles` and `@mui/material`.

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

styled() API wrapper package for emotion.

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

A blazing fast deep object copier

An HTML5 saveAs() FileSaver implementation

Material Design icons distributed as SVG React components.

A lib for generating Style Sheets with JavaScript.

A simple and reusable datepicker component for React

Simple check to see if current app is running in browser

CSS vendor prefix detection and property feature testing.

JSS plugin that enables support for nested selectors

Global styles for JSS

JSS plugin that allows to write camel cased rule properties

JSS plugin that adds default custom unit to numeric values where needed

QRCode / 2d Barcode api with both server side and client side support using canvas

JSS plugin for function value and rule syntax

JSS plugin that handles vendor prefixes in the browser

JSS plugin that ensures style properties extend each other instead of override

Create components whose prop changes map to a global side effect

A document head manager for React

Smaller Polyfill for the proposed React context API

Collection of React Hooks

The animator's toolbox

base abstract trigger component for react

React components that implement Google's Material Design.

align ui component for react

Detect device type and render your component according to it

Core modules for the Contentful JS SDKs

Highly customizable notification snackbars (toasts) that can be stacked on top of each other

Tweak React components in real time.

Client for Contentful's Content Delivery API

Underscore-to-camelCase converter (and vice versa) for strings and object keys in JavaScript.

Library for reporting click, conversion and view metrics using the Algolia Insights API

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

A responsive and accessible date range picker component built with React

A higher order component decorator for forms using Redux and React

JSS plugin for classes composition

Default preset for JSS with selected plugins.

JSS plugin that enables mixing in styles.

JSS plugin enables string templates

JSS plugin that gives you a better syntax than CSS.

JSS plugin for TC39 Observables support

Analytics utility functions used by 'analytics' module

Pure React Carousel

Typed Schema.org JSON-LD in React

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

A library to edit lottie-web animations dynamically

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