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A JavaScript parser built from the Hermes engine

A library that helps you clone Nodes from a Typescript AST

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

Manipulate the AST to transform your code.

PostgreSQL AST types from the real Postgres parser

Search and Rewrite code at large scale using precise AST pattern

AST utility module for statically analyzing JSX

Tools necessary for parsing stage of ApiDOM, specifically for syntactic analysis.

Typed AST toolkit for JavaScript and TypeScript ESTree trees: walker, builders, guards, and syntactic utilities

Types for Oxc AST nodes

simple scope analysis for javascript ASTs

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.

Provides a simple Javascript AST traversal utility that traverses all nodes / children regardless of type.

PostgreSQL AST traversal utilities for pgsql-parser

Parse JSON into CST (Concrete Syntax Tree)

Search and Rewrite code at large scale using precise AST pattern

[](https://travis-ci.org/mulesoft-labs/yaml-ast-parser)

Query TypeScript ASTs with the esquery API!

Parse, validate, traverse, transform, and optimize Oniguruma regular expressions