Highlighting system for Lezer parse trees

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

Parse the accept-language header from a HTTP request

Option parsing for Node, supporting types, shorthands, etc. Used by npm.

Convert CSS text to a React Native stylesheet object

Creates an AST parser from a [E]BNF file

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.

Low footprint ECMAScript source code parser

A fast, small and flexible CSS parser.

List of known CSS properties

The skinny framework for creating slide deck from Markdown

A (S)CSS parser that's tiny, blazing fast and (too) simple.

This is the eslint parser for ember's gjs and gts files (using `<template>`), and also for Handlebars (`.hbs`) template files.

Parser that extracts coordinates from a variety of formatted lat/lon strings.

A minimal CSS module shim

Oxc Parser Node API

Support for `import <defer|source>` phase syntax in Acorn

A drop-in replacement for react-markdown, designed for AI-powered streaming.

Math and string formula parser.

TypeScript definitions for conventional-commits-parser