Tiny millisecond conversion utility

RFC4122 (v1, v4, and v5) UUIDs

Brand checking of React Elements.

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`

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

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

babel's modular runtime helpers

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

Implementation of Function.prototype.bind

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.

ECMAScript spec abstract operations.

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

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

Node's event emitter for all engines.

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

Standard library

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Returns an array of Typed Array names that are available in the current environment

Node.js's util module for all engines

A better forEach

extend like a boss

Cooperative scheduler for the browser environment.

Object.prototype.hasOwnProperty.call shortcut

Runtime type checking for React props and similar objects.

Is this an arguments object? It's a harder question than you think.

React is a JavaScript library for building user interfaces.

React package for working with the DOM.

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

Determine if a function is a native generator function.

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

Immutable Data Collections

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 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

A MurmurHash2 implementation

a few common utility template tags for ES2015

A react component toolset for managing animations

tiny modular DOM lib for ie9+

serialization utils for emotion

String validation and sanitization

internal utils for emotion

emotion's cache

emotion's stylesheet

Core Storybook Components

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

implementation of crypto for the browser

A simple, lightweight JavaScript API for handling cookies

> Simple styling in React.

Manage session history with JavaScript

requestAnimationFrame polyfill for node and the browser

Join urls and normalize as in path.join.

styled API for emotion

A polyfill for the Resize Observer API

Tiny 200b functional Event Emitter / pubsub.

Check if something is a promise

Utility functions for React components.

Angular - the core framework

Trim string whitespace

String convertions

Generate media query string from JSON or javascript object

Create components whose prop changes map to a global side effect

A document head manager for React

JavaScript MD5 implementation. Compatible with server-side environments like Node.js, module loaders like RequireJS, Browserify or webpack and all web browsers.

Converter from any base to other any base

Awesome Media Queries in JavaScript

React port of slick carousel

A WebGL interactive maps library

The default theme for chakra components

A sane JSONP implementation.

React Native for Web

Blazing fast modern site generator for React

Polyfills for legacy browsers

An enhanced Link component for Gatsby sites with support for resource prefetching

React Router scroll management forked from https://github.com/ytase/react-router-scroll for Gatsby

Stand alone shallowCompare for use in libraries that support shouldComponentUpdate

Create and translate standard UUIDs with shorter formats.

Gatsby's fork to modernize reach-router

noUiSlider is a lightweight JavaScript range slider.

Tools to generate image urls from Sanity content

Auth0 headless browser sdk

Generates URLs to specific sections of the Sanity documentation

Adding responsive images to your site while maintaining high performance scores can be difficult to do manually. The Gatsby Image plugin handles the hard parts of producing images in multiple sizes and formats for you!

Smooth scrolling to an element via selector or node reference

Function for transforming Sanity block content to HyperScript

List of HTML attributes as a map of camelCased names.

React component for transforming Sanity block content to React components

a function to filter props that are not valid dom props when spreading props in an HOC in react

A library to edit lottie-web animations dynamically

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

Sort media queries.

Gatsby plugin for using anchor links with a Gatsby Link component.

Backports the new `gatsbyImageData` type to the classic form.