text: 'use strict'
  
  import { app, protocol, BrowserWindow } from 'electron'
  import { 
    createProtocol,
    installVueDevtools 
  } from 'vue-cli-plugin-electron-builder/lib'
  import './backend'
  
  // import installExtension, { VUEJS_DEVTOOLS } from 'electron-devtools-installer'
  const isDevelopment = process.env.NODE_ENV !== 'production'
  
  // Keep a global reference of the window object, if you don't, the window will
  // be closed automatically when the JavaScript object is garbage collected.
  let win
  
  // Scheme must be registered before the app is ready
  protocol.registerSchemesAsPrivileged([
    { scheme: 'app', privileges: { secure: true, standard: true } }
  ])
  
  function createWindow() {
    // Create the browser window.
    win = new BrowserWindow({
      width: 800,
      height: 600,
      webPreferences: {
        // Use pluginOptions.nodeIntegration, leave this alone
        // See nklayman.github.io/vue-cli-plugin-electron-builder/guide/security.html#node-integration for more info
        nodeIntegration: process.env.ELECTRON_NODE_INTEGRATION
      }
    })
  
    if (process.env.WEBPACK_DEV_SERVER_URL) {
      // Load the url of the dev server if in development mode
      win.loadURL(process.env.WEBPACK_DEV_SERVER_URL)
      //if (!process.env.IS_TEST) win.webContents.openDevTools()
    } else {
      createProtocol('app')
      // Load the index.html when not in development
      win.loadURL('app://./index.html')
    }
  
    win.webContents.on('did-finish-load',() => {
        const { title , version} = require('../package.json')
        win.setTitle(`${title} :: ${version}`)
    })
    win.on('closed', () => {
      win = null
    })
  }
  
  // Quit when all windows are closed.
  app.on('window-all-closed', () => {
    // On macOS it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
      app.quit()
    }
  })
  
  app.on('activate', () => {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (win === null) {
      createWindow()
    }
  })
  
  // This method will be called when Electron has finished
  // initialization and is ready to create browser windows.
  // Some APIs can only be used after this event occurs.
  app.on('ready', async () => {
    if (isDevelopment && !process.env.IS_TEST) {
      // Install Vue Devtools
      // Devtools extensions are broken in Electron  6/7/<8.25 on Windows
      // See https://github.com/nklayman/vue-cli-plugin-electron-builder/issues/378 for more info
      // Electron will not launch with Devtools extensions installed on Windows 10 with dark mode
      // If you are not using Windows 10 dark mode, you may uncomment the following lines (and the import at the top of the file)
      // In addition, if you upgrade to Electron ^8.2.5 or ^9.0.0 then devtools should work fine
  
      // try {
      //   await installExtension(VUEJS_DEVTOOLS)
      // } catch (e) {
      //   console.error('Vue Devtools failed to install:', e.toString())
      // }
  
    }
    createWindow()
  })
  
  // Exit cleanly on request from parent process in development mode.
  if (isDevelopment) {
    if (process.platform === 'win32') {
      process.on('message', (data) => {
        if (data === 'graceful-exit') {
          app.quit()
        }
      })
    } else {
      process.on('SIGTERM', () => {
        app.quit()
      })
    }
  }
  