Runtime library for TypeScript helper functions

Brand checking of React Elements.

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

babel's modular runtime helpers

Standard library

Cooperative scheduler for the browser environment.

Runtime type checking for React props and similar objects.

React is a JavaScript library for building user interfaces.

React package for working with the DOM.

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

Remove duplicate values from an array. Fastest ES5 implementation.

invariant

A simple utility for conditionally joining classNames together

Declarative routing for React

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

Immutable date wrapper

Syntax highlighting with language autodetection.

Tiny 200b functional Event Emitter / pubsub.

React context for MDX

Copy stuff into clipboard using JS with fallbacks

Toggle current selected content in browser

A collection of implementation for ECMAScript abstract operations

Utility functions for React components.

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

Hand-written ICU MessageFormat parser with compatible output as [`intl-messageformat-parser`](https://www.npmjs.com/package/intl-messageformat-parser) but 6 - 10 times as fast.

fork of fast-memoize and support esm

Create components whose prop changes map to a global side effect

A document head manager for React

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.

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

Polyfills for legacy browsers

Blazing fast modern site generator for React

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

Gatsby library that helps creating pages

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

Relocate resource intensive third-party scripts off of the main thread and into a web worker.

Gatsby's fork to modernize reach-router

An enhanced script component for Gatsby sites with support for various loading strategies

Gatsby plugin which adds a manifest.webmanifest to make sites progressive web apps

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!

MDX integration for Gatsby

Processes images in markdown so they can be used in the production build.