Rewriter system for transforming HTML+ERB AST nodes and formatted strings

Datadog instrumentation addon for Node.js

AST utility module for statically analyzing JSX

Esprima-compatible implementation of the Mozilla JS Parser API

AST-aware v8-to-istanbul

AST utils for webassemblyjs

Oxc Parser Node API

A toolkit for easy Babel AST generation and manipulation.

Generate regular expressions from regjsparser’s AST.

A modern CSS parser and stringifier with TypeScript support

A library for analysing JS RegExp

Flow types for the Javascript AST

Transform HAST to Babel AST (JSX)

Search and Rewrite code at large scale using precise AST pattern

A tiny (349B) utility to rewrite `import` statements as `require()`s; via RegExp

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 JavaScript parser built from the Hermes engine

Collection of useful helper functions when trying to determine module type (CommonJS or AMD) properties of an AST node.

Composable primitives for dead code elimination in Babel

Search and Rewrite code at large scale using precise AST pattern