mdn-data

Strict TypeScript and Flow types for style based on MDN data

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Get paths for storing things like data, config, cache, etc

A modern CSS parser and stringifier with TypeScript support

Full CSS support for JSX without compromises

Leaner CSS

Robust, expressive, and feature-rich CSS superset

Indent-based CSS syntax for PostCSS

Calculate specificity of a CSS Selector

CSS syntax patches for CSS tree

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Data library for istanbul coverage objects

Solve CSS math expressions

Parse CSS color values

TypeScript Execute (tsx): Node.js enhanced with esbuild to run TypeScript & ESM files

An AST-based pattern checker for JavaScript.

Prettier is an opinionated code formatter

Delightful JavaScript Testing.

An extremely fast JavaScript and CSS bundler and minifier.

A JavaScript implementation of many web standards

TypeScript definitions for node

Minimal and efficient cross-platform file watching library

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Jest plugin to use babel for transformation.

Generates and consumes source maps

Babel preset for TypeScript.