menu.js

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

const setDefaultApplicationMenu = () => {
  if (Menu.getApplicationMenu()) return

  const template = [
    {
      label: 'Edit',
      submenu: [
        {
          role: 'undo'
        },
        {
          role: 'redo'
        },
        {
          type: 'separator'
        },
        {
          role: 'cut'
        },
        {
          role: 'copy'
        },
        {
          role: 'paste'
        },
        {
          role: 'pasteandmatchstyle'
        },
        {
          role: 'delete'
        },
        {
          role: 'selectall'
        }
      ]
    },
    {
      label: 'View',
      submenu: [
        {
          role: 'reload'
        },
        {
          role: 'forcereload'
        },
        {
          role: 'toggledevtools'
        },
        {
          type: 'separator'
        },
        {
          role: 'resetzoom'
        },
        {
          role: 'zoomin'
        },
        {
          role: 'zoomout'
        },
        {
          type: 'separator'
        },
        {
          role: 'togglefullscreen'
        }
      ]
    },
    {
      role: 'windowMenu'
    },
    {
      role: 'help',
      submenu: [
        {
          label: 'Learn More',
          click () {
            shell.openExternalSync('https://electronjs.org')
          }
        },
        {
          label: 'Documentation',
          click () {
            shell.openExternalSync(
              `https://github.com/electron/electron/tree/v${process.versions.electron}/docs#readme`
            )
          }
        },
        {
          label: 'Community Discussions',
          click () {
            shell.openExternalSync('https://discuss.atom.io/c/electron')
          }
        },
        {
          label: 'Search Issues',
          click () {
            shell.openExternalSync('https://github.com/electron/electron/issues')
          }
        }
      ]
    }
  ]

  if (process.platform === 'darwin') {
    template.unshift({
      label: 'Electron',
      submenu: [
        {
          role: 'about'
        },
        {
          type: 'separator'
        },
        {
          role: 'services'
        },
        {
          type: 'separator'
        },
        {
          role: 'hide'
        },
        {
          role: 'hideothers'
        },
        {
          role: 'unhide'
        },
        {
          type: 'separator'
        },
        {
          role: 'quit'
        }
      ]
    })
    template[1].submenu.push({
      type: 'separator'
    }, {
      label: 'Speech',
      submenu: [
        {
          role: 'startspeaking'
        },
        {
          role: 'stopspeaking'
        }
      ]
    })
  } else {
    template.unshift({
      label: 'File',
      submenu: [{
        role: 'quit'
      }]
    })
  }

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

module.exports = {
  setDefaultApplicationMenu
}