Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment
Fault-tolerant CSS parser for PostCSS
JavaScript parser written in OCaml. Produces ESTree AST
A JavaScript parser built from the Hermes engine
Oxc Parser Node API
Parse, validate, traverse, transform, and optimize Oniguruma regular expressions
An implementation of the WHATWG URL Standard's URL API and parsing machinery
Parses every stack trace into a nicely formatted array of hashes.
A CSS property value parser for use with PostCSS
A function to parse floating point hexadecimal strings as defined by the WebAssembly specification
Generic JSDoc-like comment parser
A very fast and versatile markdown toolchain. AST, React, React Native, SolidJS, Vue, Markdown, and HTML output available with full customization.
A module that parses a string as regular expression and returns the parsed value.
MermaidJS parser
Swagger 2.0 and OpenAPI 3.0 parser and validator for Node and browsers
lezer-based HTML grammar
Syntax tree data structure and parser interfaces for the lezer parser
WebAssembly text format parser
Handler for htmlparser2 that turns pages into a dom
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
Powerful and compliant CSS selector parser.
Parse CSS media query lists.
Fast & forgiving HTML/XML parser
TypeScript definitions for set-cookie-parser