Incremental Markdown parser that consumes and emits Lezer trees

Node.js body parsing middleware

An evented streaming XML parser in JavaScript

Liquid HTML parser by Shopify

Html component for react-pdf with CSS support

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

A specification compliant robots.txt parser with wildcard (*) matching support.

A tool for connecting your design system components in code with your design system in Figma

Range header field string parser

An ESLint custom parser which leverages TypeScript ESTree

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

Zero-dependency, DOM-free, pure predicate for detecting unsafe strings across HTML, XML, SVG, SQL, SHELL, and REGEX contexts

HTML parser for markuplint

Internationalized number formatting and parsing utilities

A javascript library to extract Exif metadata from images, in node and in the browser.

An inline style parser.

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

A spec-conformant JavaScript parser for the HTML5 srcset attribute

Implementation of Structured Field Values for HTTP (RFC9651, RFC8941)

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.