A JavaScript parser built from the Hermes engine

Selector parser with built in methods for working with selector strings.

An evented streaming XML parser in JavaScript

An ESLint custom parser which leverages TypeScript ESTree

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

Streaming, source-agnostic EventSource/Server-Sent Events parser

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

Error.captureStackTrace ponyfill

Algorithms to help you parse CSS from an array of tokens.

Hand-written ICU MessageFormat parser with compatible output as [`intl-messageformat-parser`](https://www.npmjs.com/package/intl-messageformat-parser) but 6 - 10 times as fast.

An inline style parser.

Extract the actual stack of an error

JavaScript parser written in OCaml. Produces ESTree AST

A collection of standard object serializers for Pino

Core libraries that every NodeJS toolchain project should use

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

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

Babel plugin which switches Babel to use the Hermes parser.

Error-tolerant ECMAScript parser

A pure JS HTTP parser for node.