redux-devtools/packages/redux-devtools-app/assets/electron/index.js

const { app, BrowserWindow, Menu, shell } = require('electron');

let menu;
let template;
let win = null;

// require('electron-debug')();

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

app.on('ready', () => {
  win = new BrowserWindow({ width: 1024, height: 728 });

  win.loadURL(`file://${__dirname}/index.html`);

  win.on('closed', () => {
    win = null;
  });

  if (process.platform === 'darwin') {
    template = [{
      label: 'Electron',
      submenu: [{
        label: 'About',
        selector: 'orderFrontStandardAboutPanel:'
      }, {
        type: 'separator'
      }, {
        label: 'Services',
        submenu: []
      }, {
        type: 'separator'
      }, {
        label: 'Hide',
        accelerator: 'Command+H',
        selector: 'hide:'
      }, {
        label: 'Hide Others',
        accelerator: 'Command+Shift+H',
        selector: 'hideOtherApplications:'
      }, {
        label: 'Show All',
        selector: 'unhideAllApplications:'
      }, {
        type: 'separator'
      }, {
        label: 'Quit',
        accelerator: 'Command+Q',
        click() {
          app.quit();
        }
      }]
    }, {
      label: 'Edit',
      submenu: [{
        label: 'Undo',
        accelerator: 'Command+Z',
        selector: 'undo:'
      }, {
        label: 'Redo',
        accelerator: 'Shift+Command+Z',
        selector: 'redo:'
      }, {
        type: 'separator'
      }, {
        label: 'Cut',
        accelerator: 'Command+X',
        selector: 'cut:'
      }, {
        label: 'Copy',
        accelerator: 'Command+C',
        selector: 'copy:'
      }, {
        label: 'Paste',
        accelerator: 'Command+V',
        selector: 'paste:'
      }, {
        label: 'Select All',
        accelerator: 'Command+A',
        selector: 'selectAll:'
      }]
    }, {
      label: 'View',
      submenu: (process.env.NODE_ENV === 'development') ? [{
        label: 'Reload',
        accelerator: 'Command+R',
        click() {
          win.restart();
        }
      }, {
        label: 'Toggle Full Screen',
        accelerator: 'Ctrl+Command+F',
        click() {
          win.setFullScreen(!win.isFullScreen());
        }
      }, {
        label: 'Toggle Developer Tools',
        accelerator: 'Alt+Command+I',
        click() {
          win.toggleDevTools();
        }
      }] : [{
        label: 'Toggle Full Screen',
        accelerator: 'Ctrl+Command+F',
        click() {
          win.setFullScreen(!win.isFullScreen());
        }
      }]
    }, {
      label: 'Window',
      submenu: [{
        label: 'Minimize',
        accelerator: 'Command+M',
        selector: 'performMiniaturize:'
      }, {
        label: 'Close',
        accelerator: 'Command+W',
        selector: 'performClose:'
      }, {
        type: 'separator'
      }, {
        label: 'Bring All to Front',
        selector: 'arrangeInFront:'
      }]
    }, {
      label: 'Help',
      submenu: [{
        label: 'Learn More',
        click() {
          shell.openExternal('http://electron.atom.io');
        }
      }, {
        label: 'Search Issues',
        click() {
          shell.openExternal('https://github.com/atom/electron/issues');
        }
      }]
    }];

    menu = Menu.buildFromTemplate(template);
    Menu.setApplicationMenu(menu);
  } else {
    template = [{
      label: '&File',
      submenu: [{
        label: '&Open',
        accelerator: 'Ctrl+O'
      }, {
        label: '&Close',
        accelerator: 'Ctrl+W',
        click() {
          win.close();
        }
      }]
    }, {
      label: '&View',
      submenu: (process.env.NODE_ENV === 'development') ? [{
        label: '&Reload',
        accelerator: 'Ctrl+R',
        click() {
          win.restart();
        }
      }, {
        label: 'Toggle &Full Screen',
        accelerator: 'F11',
        click() {
          win.setFullScreen(!win.isFullScreen());
        }
      }, {
        label: 'Toggle &Developer Tools',
        accelerator: 'Alt+Ctrl+I',
        click() {
          win.toggleDevTools();
        }
      }] : [{
        label: 'Toggle &Full Screen',
        accelerator: 'F11',
        click() {
          win.setFullScreen(!win.isFullScreen());
        }
      }]
    }, {
      label: 'Help',
      submenu: [{
        label: 'Learn More',
        click() {
          shell.openExternal('http://electron.atom.io');
        }
      }, {
        label: 'Search Issues',
        click() {
          shell.openExternal('https://github.com/atom/electron/issues');
        }
      }]
    }];
    menu = Menu.buildFromTemplate(template);
    win.setMenu(menu);
  }
});