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

Parse, Resolve, and Dereference JSON Schema $ref pointers

PostgreSQL AST traversal utilities for pgsql-parser

PostgreSQL AST types from the real Postgres parser

ESLint parser that allows for linting of experimental syntax transformed by Babel

Parser for the BCP 47 language tag specification

Simple XML to JavaScript object converter.

An implementation of the WHATWG URL Standard's URL API and parsing machinery

WebAssembly text format printer

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, validate, traverse, transform, and optimize Oniguruma regular expressions

Architect Parser accepts plaintext, JSON, or YAML .arc manifests and returns a plain JavaScript Object

Node parser for EarnKitIndex

HTML/XML processor

Parse HTTP request cookies

Oxc Parser Node API

json2csv built-in formatters. A formatter is a function that receives the raw js value of a given type and formats it as a valid CSV cell.

Lint your commit messages

Generic JSDoc-like comment parser

Oxc Parser Node API