estools

ECMAScript code generator

ECMAScript JS AST traversal functions

ECMAScript AST query library.

Escope: ECMAScript scope analyzer

esmangle is mangler / minifier for Mozilla Parser API AST

utility box for ECMAScript language tools

Proper (AST-based) JavaScript code templating with source maps support.

AST recursive visitor

fuzzer for generative testing of ECMAScript parsers

Clone AST without extra properties

confirm that a SpiderMonkey format AST represents an ECMAScript program

Shorten (mangle) names in JavaScript code

trigger events based on esquery selectors during a traversal of a SpiderMonkey format AST