main.js

var app = require('app');
var BrowserWindow = require('browser-window');
var glob = require('glob');

var mainWindow = null;

// Require and setup each JS file in the main-process dir
glob('main-process/**/*.js', function (error, files) {
  if (error) return console.log(error);
  files.forEach(function (file) {
    require('./' + file).setup();
  });
});

function createWindow () {
  mainWindow = new BrowserWindow({ width: 920, height: 900 });
  mainWindow.loadURL('file://' + __dirname + '/index.html');
  mainWindow.on('closed', function () {
    mainWindow = null;
  });
}

app.on('ready', createWindow);

app.on('window-all-closed', function () {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', function () {
  if (mainWindow === null) {
    createWindow();
  }
});

menu.js

var Menu = require('electron').Menu;
var app = require('electron').app;

module.exports.setup = function () {
  var template = [
    {
      label: 'Edit',
      submenu: [
        {
          label: 'Undo',
          accelerator: 'CmdOrCtrl+Z',
          role: 'undo'
        },
        {
          label: 'Redo',
          accelerator: 'Shift+CmdOrCtrl+Z',
          role: 'redo'
        },
        {
          type: 'separator'
        },
        {
          label: 'Cut',
          accelerator: 'CmdOrCtrl+X',
          role: 'cut'
        },
        {
          label: 'Copy',
          accelerator: 'CmdOrCtrl+C',
          role: 'copy'
        },
        {
          label: 'Paste',
          accelerator: 'CmdOrCtrl+V',
          role: 'paste'
        },
        {
          label: 'Select All',
          accelerator: 'CmdOrCtrl+A',
          role: 'selectall'
        }
      ]
    },
    {
      label: 'View',
      submenu: [
        {
          label: 'Reload',
          accelerator: 'CmdOrCtrl+R',
          click: function (item, focusedWindow) {
            if (focusedWindow) {
              focusedWindow.reload();
            }
          }
        },
        {
          label: 'Toggle Full Screen',
          accelerator: (function () {
            if (process.platform === 'darwin') {
              return 'Ctrl+Command+F';
            } else {
              return 'F11';
            }
          })(),
          click: function (item, focusedWindow) {
            if (focusedWindow) {
              focusedWindow.setFullScreen(!focusedWindow.isFullScreen());
            }
          }
        },
        {
          label: 'Toggle Developer Tools',
          accelerator: (function () {
            if (process.platform === 'darwin') {
              return 'Alt+Command+I';
            } else {
              return 'Ctrl+Shift+I';
            }
          })(),
          click: function (item, focusedWindow) {
            if (focusedWindow) {
              focusedWindow.toggleDevTools();
            }
          }
        },
        {
          type: 'separator'
        },
        {
          label: 'App Menu Demo',
          click: function (item, focusedWindow) {
            if (focusedWindow) {
              var options = {
                type: 'info',
                title: 'Application Menu Demo',
                buttons: ['Ok'],
                message: 'This demo is for the Menu section, showing how to create a clickable menuitem in the application menu.'
              };
              require('electron').dialog.showMessageBox(focusedWindow, options);
            }
          }
        }
      ]
    },
    {
      label: 'Window',
      role: 'window',
      submenu: [
        {
          label: 'Minimize',
          accelerator: 'CmdOrCtrl+M',
          role: 'minimize'
        },
        {
          label: 'Close',
          accelerator: 'CmdOrCtrl+W',
          role: 'close'
        }
      ]
    },
    {
      label: 'Help',
      role: 'help',
      submenu: [
        {
          label: 'Learn More',
          click: function () { require('electron').shell.openExternal('http://electron.atom.io'); }
        }
      ]
    }
  ];

  if (process.platform === 'darwin') {
    var name = require('electron').app.getName();
    template.unshift({
      label: name,
      submenu: [
        {
          label: 'About ' + name,
          role: 'about'
        },
        {
          type: 'separator'
        },
        {
          label: 'Services',
          role: 'services',
          submenu: []
        },
        {
          type: 'separator'
        },
        {
          label: 'Hide ' + name,
          accelerator: 'Command+H',
          role: 'hide'
        },
        {
          label: 'Hide Others',
          accelerator: 'Command+Shift+H',
          role: 'hideothers'
        },
        {
          label: 'Show All',
          role: 'unhide'
        },
        {
          type: 'separator'
        },
        {
          label: 'Quit',
          accelerator: 'Command+Q',
          click: function () { app.quit(); }
        }
      ]
    });
    // Window menu.
    template[3].submenu.push(
      {
        type: 'separator'
      },
      {
        label: 'Bring All to Front',
        role: 'front'
      }
    );
  }

  var menu = Menu.buildFromTemplate(template);
  Menu.setApplicationMenu(menu);
};