AI SDK middleware for tool call parsing

An evented streaming XML parser in JavaScript

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

Regular Expressions parser in JavaScript

Modern, fast React.js JSX parser

A utility package to parse strings

A JavaScript parser

Node.js body parsing middleware

the mighty option parser used by yargs

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

Range header field string parser

An ESLint custom parser which leverages TypeScript ESTree

Parser generator for the incremental lezer parser

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

An evented streaming XML parser in JavaScript

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

An inline style parser.

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

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

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.