Regular Expressions parser in JavaScript

ECMAScript JS AST traversal functions

Tailwind CSS v4 class name parser, transformer, and Vite plugin using ts-morph AST traversal.

Oxc Parser Node API

Rule API, AST traversal, and execution for clistd documents.

ECMAScript JS AST traversal functions

TxtNode traverse library

A library to parse/stringify SCSS

Walk, build, and check any ESTree / TypeScript-ESTree AST, with typed visitors, builders, and guards

A set of ts tools to parse, build and transform ES|QL queries programmatically.

A TypeScript library for parsing and walking Python Abstract Syntax Trees

CSS AST traversal filters

Scrapes Old School RuneScape server info via js AST traversal

AST utility module for statically analyzing JSX

Yet another ESTree AST traversal/modification library, making use of `this` binding and generators

SQL AST traversal functions

Framework-agnostic static analysis (SAST) library for DOM-based XSS detection via AST traversal and taint analysis.

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 (with updated dependencies)

Esprima-compatible implementation of the Mozilla JS Parser API

Powerful and compliant CSS selector parser.