JavaScript parser and stringifier for YAML

Parse and display moments in any timezone.

The React Framework

Runtime library for TypeScript helper functions

RFC4122 (v1, v4, and v5) UUIDs

Brand checking of React Elements.

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.

JavaScript sprintf implementation

Robustly `.call.bind()` a function

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

ECMAScript spec abstract operations.

Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

ES6 spec-compliant Object.assign shim. From https://github.com/es-shims/es6-shim

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

A library for deep (recursive) merging of Javascript objects

all the types of nodes in htmlparser2's dom

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Determine if a value is an ES6 Symbol or not.

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

An ES2015 spec-compliant `Function.prototype.name` shim

Does this JS environment support the `name` property on functions?

ES2017 spec-compliant Object.values shim.

Object.prototype.hasOwnProperty.call shortcut

An ES2019 spec-compliant `Array.prototype.flat` shim/polyfill/replacement that works as far down as ES3.

Runtime type checking for React props and similar objects.

Implements performance.now (based on process.hrtime).

ES2015-compliant shim for Object.is - differentiates between -0 and +0

emotion's memoize utility

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

Formats data into a string table.

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

A simple utility for conditionally joining classNames together

A Light–weight CSS Preprocessor

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

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

A MurmurHash2 implementation

serialization utils for emotion

Tooltip and Popover Positioning Engine

internal utils for emotion

Merge longhand properties into shorthand with PostCSS.

Floating UI for the web

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

emotion's cache

emotion's stylesheet

Test whether an object looks like a promises-a+ promise

Predictable state container for JavaScript apps

👑 A tiny yet powerful tool for high-performance color manipulations and conversions

A lightweight library that provides tools for organizing asynchronous code

Fire events the same way the user does

implementation of crypto for the browser

> Simple styling in React.

Official React bindings for Redux

requestAnimationFrame polyfill for node and the browser

mdast utility to transform to hast

styled API for emotion

A polyfill for the Resize Observer API

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

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

Synchronous Promise-like prototype to use in testing where you would have used an ES6 Promise

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

A collection of implementation for ECMAScript abstract operations

A simple and powerful JavaScript animation library

Easily measure performance metrics in JavaScript

Angular - the core framework

Angular - commonly needed directives and services

The Next Generation of CSS-in-JS.

foreach component + npm package

Sanitize untrusted HTML (to prevent XSS) with a configuration specified by a Whitelist

Functional programming in TypeScript

A frame-synced render loop for JavaScript

Adaptation of react-addons-shallow-compare, for independent usage

useMemo and useCallback but with a stable cache

Modern copy to clipboard. No Flash. Just 2kb

Custom React PropType validators that we use at Airbnb.

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

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

For use with React PropTypes. Will error on any prop not explicitly specified.

The animator's toolbox

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

An enterprise-class UI design language and React components implementation

Fastest memoization lib that supports N arguments

React date & time picker

Saga middleware for Redux to handle Side Effects

Cybernetically enhanced web apps

Manage multiple event handlers using few event listeners

Internal, shared utilities for Reach UI.

Common utilities and types for Chakra UI

Style function for css-in-js building component libraries

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

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

Simple library for handling keyboard shortcuts

Polyfill/shim for `document.contains`

A React component for dealing with clicks outside its subtree

Components to provide and consume RTL or LTR direction in React

React proptype for moment module

[![Build Status][travis-svg]][travis-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

A responsive and accessible date range picker component built with React

React Native for Web

Sometimes you have to do horrible things, like use the global object to share a singleton. Abstract that away, with this!

Interface for react-with-styles outputting CSS

Is the current JS environment a touch device?

scroll dom node into view automatically

A simple utility for creating an object with values equal to its keys. Identical to react/lib/keyMirror

Range input. Slides in all directions.

WordPress internationalization (i18n) library.

Reakit utils

Reakit System utils

Toolkit for building accessible rich web apps with React

WordPress URL utilities.

Unabashedly-barebones memoization library with an aim toward speed

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

gettext localization library compatible with Jed-formatted locale data

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

Compiles an evaluating function for a C expression

Evaluates the result of an expression given as postfix terms

Convert a C expression to an array of postfix terms

Monadic streams

A React implementation of the google [DFP](https://developers.google.com/doubleclick-gpt/reference "GPT Reference") API. This package is inspired in the awesome library [jquery.dfp](https://github.com/coop182/jquery.dfp.js), and aims to provide its same e

Header Bidding Management Library