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

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

Esprima-compatible implementation of the Mozilla JS Parser API

A JavaScript parser built from the Hermes engine

Helper functions around Function call/apply/bind, for use in `call-bind`

AST utility module for statically analyzing JSX

Search and Rewrite code at large scale using precise AST pattern

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

Traverse Babel AST with scope information.

A library for finite automata and regular expressions in the context of JS RegExp

React / JSX AST helpers for ux-guard.

Search and Rewrite code at large scale using precise AST pattern

Types for Oxc AST nodes

Collection of helper functions used by Babel transforms.

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.

magic-string with AST shortcut.

Composable primitives for dead code elimination in Babel

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

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

An ESnext spec-compliant iterator helpers shim/polyfill/replacement that works as far down as ES3.