hast utility to get the rank (or depth, level) of headings

A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.

Functional utility library - modern, simple, typed, powerful

Beautiful and accessible math in all browsers. MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all browsers and in server-side node applications. This package includes the source code as well as

Runtime validation for static types

Beautiful and accessible math in all browsers. MathJax is an open-source JavaScript display engine for LaTeX, MathML, and AsciiMath notation that works in all browsers. This package includes the packaged components (install mathjax-full to get the source

A CSS parser, transformer, and minifier written in Rust

Claude Cup — worldwide building contest. Track your Value/Token Ratio, climb the real-time leaderboard, and fill a live trophy in your terminal.

Ranks and unranks permutations

Domain Rank Top Million domains, source names, duplicates, and favicons

Algorithms to help you parse CSS from an array of tokens.

Open Web data by the Mozilla Developer Network

a CSS selector compiler/engine

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

Solve CSS math expressions

PostCSS plugin for CSS Modules to pass arbitrary values between your module files

css loader module for webpack

Parse CSS color values

Tokenize CSS

remark-lint rule to warn when the first heading has a level other than a specified value