var App = App || {}; App.Keyboard = function(mousetrap) { function keyup(key, callback) { mousetrap.bind(key, simpleKeyPressed(callback), 'keyup'); } function keydown(key, callback) { mousetrap.bind(key, simpleKeyPressed(callback)); } function simpleKeyPressed(callback) { return function(e) { if (!e.altKey && !e.ctrlKey) { callback(); } }; } return { keydown: keydown, keyup: keyup, }; }; App.DI.register('keyboard', ['mousetrap'], App.Keyboard);