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
Option parsing for Node, supporting types, shorthands, etc. Used by npm.
Oxc Parser Node API
A specification compliant robots.txt parser with wildcard (*) matching support.
Oxc Parser Node API
CSS/LESS/SCSS fast and minimalistic parser
Incremental Markdown parser that consumes and emits Lezer trees
Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers
WebAssembly text format parser
Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite
A micro-library of stream components for building custom JSON and JSONC processing pipelines with a minimal memory footprint — parse, filter, and transform JSON far larger than available memory with a SAX-inspired token API, on Node.js or Web Streams.
Parse HTML/XML to PostHTMLTree
An evented streaming XML parser in JavaScript
Math and string formula parser.
An evented streaming XML parser in JavaScript
Parse CSS media queries (spec-compliant)
Fast & forgiving HTML/XML parser
Low footprint ECMAScript source code parser
Svelte parser for ESLint
Support for `import <defer|source>` phase syntax in Acorn
Incremental parser
simple node sql parser
TypeScript definitions for ua-parser-js
Highlighting system for Lezer parse trees