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
CSS AST Builder
CSS minifier with structural optimisations
CSS syntax patches for CSS tree
CSS validator built on csstree
Lightweight debugging utility for Node.js and the browser
Lodash modular utilities.
React is a JavaScript library for building user interfaces.
A querystring parser that supports nesting and arrays, with a depth limit
Higher-order functions and common patterns for asynchronous code
Babel compiler core.