dotbeautify, uses js-beautify on given directories to automatically formatcode USEAGE: var dotBeautify = require('dotbeautify'); dotBeautify.beautify(['./lib/']); If you want to use it as a pre commit hook and block any unbeautified code, simply add it to your git pre commit hook with the --pre-commit switch, this will throw an exception which will block the commit. All source code will be automatically beautified by js-beautify Also allows you to pass in second {options} object as defined by https://github.com/beautify-web/js-beautify#options