ms365-electron/main.js

const { app, Menu, BrowserWindow } = require('electron')
const isMac = process.platform === 'darwin'

const template = [
  // { role: 'appMenu' }
  ...(isMac ? [{
    label: app.name,
    submenu: [
      { role: 'about' },
      { type: 'separator' },
      { role: 'services' },
      { type: 'separator' },
      { role: 'hide' },
      { role: 'hideothers' },
      { role: 'unhide' },
      { type: 'separator' },
      { role: 'quit' }
    ]
  }] : []),
  // { role: 'fileMenu' }
  {
    label: 'Application',
    submenu: [
      {
        label: 'About Microsoft Office - Electron',
        click: async () => {
          const { shell } = require('electron')
          await shell.openExternal('https://github.com/agam778/Microsoft-Office-Electron')
        }
      },
      {
        label: 'Check for Updates...',
        click: async () => {
          const { BrowserWindow } = require('electron')
          const updatewin = new BrowserWindow({
            width: 650,
            height: 600,
            icon: './icon.ico',
            webPreferences: {
              nodeIntegration: true
            }
          })
          updatewin.setMenuBarVisibility(false)

          updatewin.loadURL('file:///updater.html',
        {userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36'});
        }
      },
      {type:'separator'},
      {
        role: 'quit',
        accelerator: process.platform === 'darwin' ? 'Ctrl+Q' : 'Ctrl+Q',
        }

    ]
  },
  // { role: 'editMenu' }
  {
    label: 'Edit',
    submenu: [
      { role: 'undo' },
      { role: 'redo' },
      { type: 'separator' },
      { role: 'cut' },
      { role: 'copy' },
      { role: 'paste' },
      ...(isMac ? [
        { role: 'pasteAndMatchStyle' },
        { role: 'delete' },
        { role: 'selectAll' },
        { type: 'separator' },
        {
          label: 'Speech',
          submenu: [
            { role: 'startSpeaking' },
            { role: 'stopSpeaking' }
          ]
        }
      ] : [
        { role: 'delete' },
        { type: 'separator' },
        { role: 'selectAll' }
      ])
    ]
  },
  // { role: 'viewMenu' }
  {
    label: 'View',
    submenu: [
      { role: 'reload' },
      { role: 'forceReload' },
      { role: 'toggleDevTools' },
      { type: 'separator' },
      { role: 'resetZoom' },
      { role: 'zoomIn' },
      { role: 'zoomOut' },
      { type: 'separator' },
      { role: 'togglefullscreen' }
    ]
  },
  // { role: 'windowMenu' }
  {
    label: 'Window',
    submenu: [
      { role: 'minimize' },
      { role: 'zoom' },
      ...(isMac ? [
        { type: 'separator' },
        { role: 'front' },
        { type: 'separator' },
        { role: 'window' }
      ] : [
        { role: 'close' }
      ])
    ]
  }
]

const menu = Menu.buildFromTemplate(template)
Menu.setApplicationMenu(menu)

function createWindow () {
  const win = new BrowserWindow({
    width: 1181,
    height: 670,
    icon: './icon.ico',
    webPreferences: {
      nodeIntegration: true
    }
  })

  win.loadURL('file:///index.html',
{userAgent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36'});
}

app.whenReady().then(createWindow)

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

app.on('activate', () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow()
  }
})