menu.js

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

// Module function to create main app menu
module.exports = appWin => {

  // Menu template
  let template = [
    {
      label: 'Items',
      submenu: [
        {
          label: 'Add New',
          accelerator: 'CmdOrCtrl+O',
          click: () => {
            appWin.send('menu-show-modal')
          }
        },
        {
          label: 'Read Item',
          accelerator: 'CmdOrCtrl+Enter',
          click: () => {
            appWin.send('menu-open-item')
          }
        },
        {
          label: 'Delete Item',
          accelerator: 'CmdOrCtrl+Backspace',
          click: () => {
            appWin.send('menu-delete-item')
          }
        },
        {
          label: 'Open in Browser',
          accelerator: 'CmdOrCtrl+Shift+Enter',
          click: () => {
            appWin.send('menu-open-item-native')
          }
        },
        {
          label: 'Search Items',
          accelerator: 'CmdOrCtrl+S',
          click: () => {
            appWin.send('menu-focus-search')
          }
        }
      ]
    },
    {
      role: 'editMenu'
    },
    {
      role: 'windowMenu'
    },
    {
      role: 'help',
      submenu: [
        {
          label: 'Learn more',
          click: () => {
            shell.openExternal('https://github.com/stackacademytv/master-electron')
          }
        }
      ]
    }
  ]

  // Create Mac app menu
  if ( process.platform === 'darwin' ) template.unshift({ role: 'appMenu' })

  // Build menu
  let menu = Menu.buildFromTemplate(template)

  // Set as main app menu
  Menu.setApplicationMenu(menu)
}