#parser

node.js command-line interfaces made easy

A Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS

⚓ A collection of high-performance JavaScript tools.

The fast, flexible, and elegant library for parsing and manipulating HTML and XML.

A parser and compiler for the Gherkin language.

HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

An incremental parsing system for programming tools

Rust-based platform for the Web

RDFLib is a Python library for working with RDF, a simple yet powerful language for representing information.

Everything developer experience for Shopify themes

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

Repair malformed JSON from LLMs, APIs, logs, and user input in Python.

Python SQL Parser and Transpiler

Node.js body parsing middleware

The Universal Device Detection library will parse any User Agent and detect the browser, operating system, device used (desktop, tablet, mobile, tv, cars, console, etc.), brand and model.

Library to read, analyze, transform and generate Scala programs

GraphQL Router / API Gateway framework written in Golang, focussing on correctness, extensibility, and high-performance. Supports Federation v1 & v2, Subscriptions & more.

YAML parser and serialiser for JavaScript

A pure Python HTML5 parser that just works. No C extensions to compile. No system dependencies to install. No complex API to learn.

The fast & forgiving HTML and XML parser

Spec compliant GraphQL Tools in Rust.

Mago is a toolchain for PHP that aims to provide a set of tools to help developers write better code.

🐊 Pluggable and configurable JavaScript Linter, code transformer and formatter with superpowers 💪: built-in support of js, jsx, ts, markdown, yaml, toml, json and ignore. Write declarative codemods in a simplest possible way 😏

yargs the modern, pirate-themed successor to optimist.

Markdown parser, done right. 100% CommonMark support, extensions, syntax plugins & high speed. Now in Python!

🌿 Powerful and seamless HTML-aware ERB toolchain.

Gherkin parser, written in PHP for Behat project

AsyncAPI parser for Javascript (browser-compatible too).