Node.js JavaScript runtime ✨🐢🚀✨

Prettier is an opinionated code formatter.

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

The 1.x line is frozen - features and bugfixes now happen on https://github.com/yarnpkg/berry

⚛️ Fast 3kB React alternative with the same modern API. Components & Virtual DOM.

☕️ simple, flexible, fun javascript test framework for node.js & the browser

Normalizes nested JSON according to a schema

A starter boilerplate for a universal webapp using express, react, redux, webpack, and react-transform

The minimal javascript library to create flowcharts ✨

Test spies, stubs and mocks for JavaScript.

Tasks, boards & notes for the command-line habitat

Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.

`postcss-cssnext` has been deprecated in favor of `postcss-preset-env`.

JavaScript & TypeScript persistent and optionally immutable data tree with cursors.

[POC] A babel plugin which compiles React.js components into native DOM instructions to eliminate the need for the react library at runtime.

A proposal for the usage of Sequelize within an Express.JS application.

👁 Visual Regression Testing for Storybook

Browserify transform for Babel

🐛 Memory leak testing for node.

Lint JavaScript code blocks in Markdown documents

Create actions and reducer without pain

Configured of using Next.js with Preact X!

Run mocha tests in electron the easy way.

turn relative github urls into urls appropriate for a static site