Lightweight debugging utility for Node.js and the browser

Runtime library for TypeScript helper functions

Tiny millisecond conversion utility

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

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

Implementation of Function.prototype.bind

Express style path to RegExp utility

Promise based HTTP client for the browser and node.js

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.

ES2015 `Object.assign()` ponyfill

deterministic `JSON.stringify()` - a faster version of substack's json-stable-strigify without jsonify

Standard library

Cooperative scheduler for the browser environment.

Object.prototype.hasOwnProperty.call shortcut

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

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

A simple utility for conditionally joining classNames together

Safely and quickly serialize JavaScript objects

A Query Language and Runtime which can target any service.

serialization utils for emotion

ES2017 spec-compliant shim for `Object.getOwnPropertyDescriptors` that works in ES5.

Utilities for all Sentry JavaScript SDKs

Lodash exported as ES modules.

Core Storybook Components

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

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

socket.io protocol parser

Parser for the client for the realtime Engine

Backwards compatibility polyfill for React class components

TypeScript implementation of invariant(condition, message)

An Implementation of ES Observables

A collection of implementation for ECMAScript abstract operations

Utility functions for React components.

Realtime application framework client

Encode/decode base64 data into ArrayBuffers

Client for the realtime Engine

Structural equality checking for JavaScript values

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.

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.

Manage contextual information needed by (a)synchronous tasks without explicitly passing objects around

Composable reactive caching with efficient invalidation.

A fully-featured caching GraphQL client.

JavaScript implementation of the "accept" attribute for HTML5 <input type="file">

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

Typescript-compatible minimalistic shallow equality check for arrays/objects

Functional programming in TypeScript

Create components whose prop changes map to a global side effect

Finite State Machines and Statecharts for the Modern Web.

Tiny but linear growing unique id generator

Abstracts out Blob and uses BlobBuilder in cases where it is supported with any vendor prefix.

Custom React PropType validators that we use at Airbnb.

Accessible modal dialog component for React.JS

after - tiny flow control

function binding utility

Exports a function for slicing ArrayBuffers (no polyfilling)

Prototype inheritance utility

Turn an array like into an array

align ui component for react

A function that takes anything in javascript and returns true if its argument contains binary data.

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

Smooth Scroll behavior polyfill

Formats JavaScript dates to relative time strings.

Polyfill for Intl.PluralRules

WAI-ARIA compliant React autosuggest component

Simple iterator for flat and multi section lists