app.js

'use strict';

var angular = require('angular');

angular.module('myApp', []);

// Compiled templates
require('templates');

// Services
require('./user');

// Components
require('../components/dialog');

// App
require('./main');
require('./session');

index.js

'use strict';

module.exports = require('angular')
  .module('myApp')
  .controller('SessionExpiredCtrl', require('./session-expired.controller'))
  .service('Session', require('./session'))
  .service('SessionHandler', require('./session-handler'));

session-handler.js

'use strict';

module.exports = function SessionHandler($rootScope, Session, User) {
  this.sessionExpired = function (username) {
    User.name = username;

    $rootScope.$broadcast('session-expired');
    Session.expired();
  };
};

index.js is ./session/index.js and session-handler.js is ./session/session-handler.js