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
Incremental Markdown parser that consumes and emits Lezer trees
WebAssembly text format parser
CSS/LESS/SCSS fast and minimalistic parser
Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers
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.
Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite
An evented streaming XML parser in JavaScript
Parse HTML/XML to PostHTMLTree
Math and string formula parser.
Fast & forgiving HTML/XML parser
An evented streaming XML parser in JavaScript
Parse CSS media queries (spec-compliant)
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
parser for xcodeproj/project.pbxproj files