A require.js + phaser.js file structure starter to keep your game modularized.
/src/main.js (main importer)
/helpers/main-constants.js
/modules/boot.js
/modules/game.js
/modules/menu.js
/modules/preloader.js
/modues/parts/input-events.js (events object)
Open a quick server at the root folder: ex. python -m SimpleHTTPServer 8080