electron/spec/fixtures/api/default-menu/main.js

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

function output (value) {
  process.stdout.write(JSON.stringify(value))
  process.stdout.end()

  app.quit()
}

try {
  let expectedMenu

  if (app.commandLine.hasSwitch('custom-menu')) {
    expectedMenu = new Menu()
    Menu.setApplicationMenu(expectedMenu)
  } else if (app.commandLine.hasSwitch('null-menu')) {
    expectedMenu = null
    Menu.setApplicationMenu(null)
  }

  app.on('ready', () => {
    setImmediate(() => {
      try {
        output(Menu.getApplicationMenu() === expectedMenu)
      } catch (error) {
        output(null)
      }
    })
  })
} catch (error) {
  output(null)
}