Emmet standalone abbreviation parser

Lightweight and performant Lucene-like parser, serializer and search engine.

Parses Emmet CSS abbreviation into AST tree

Range header field string parser

sprintf parser and basic formatter

mdast utility to transform to nlcst

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

An ESLint custom parser which leverages TypeScript ESTree

reference implementation of conventionalcommits.org spec

Parse binary files with a schema into nicely readable objects

mdast extension to parse and serialize GFM task list items

ECMAScript parser

ECMAScript parsing infrastructure for multipurpose analysis

Official ESLint rules for LWC

mdast extension to parse and serialize GFM (GitHub Flavored Markdown)

PL/pgSQL AST Deparser - Converts PL/pgSQL function ASTs back to SQL

Validate XML, Parse XML, Build XML without C/C++ based libraries

The pug parser (takes an array of tokens and converts it to an abstract syntax tree)

mdast extension to parse and serialize MDX (or MDX.js) expressions

mdast extension to parse and serialize GFM tables