text: 'use strict'
  import { app, protocol, BrowserWindow,ipcMain } from 'electron';
  import { createProtocol } from 'vue-cli-plugin-electron-builder/lib';
  import installExtension, { VUEJS_DEVTOOLS } from 'electron-devtools-installer';
  const isDevelopment = process.env.NODE_ENV !== 'production';
  
  const winURL = isDevelopment ? process.env.WEBPACK_DEV_SERVER_URL: `file://${__dirname}/index.html`;
  let win;
  let subWindow;
  // Scheme must be registered before the app is ready
  protocol.registerSchemesAsPrivileged([
    { scheme: 'app', privileges: { secure: true, standard: true } }
  ])
  function createSubWindow(vueName){
  subWindow= new BrowserWindow({
    width: 800,
    height: 600,
    frame:false,
    resizable:false,
    webPreferences: {
      nodeIntegration:true
    }
  })
  subWindow.loadURL(winURL+'#/sub/'+vueName);
  subWindow.on('closed', () => { subWindow = null })
  if (!process.env.IS_TEST) subWindow.webContents.openDevTools();
  }
  function createWindow() {
    win = new BrowserWindow({
      width: 900,
      height: 600,
      frame:false,
      transparent: true,
      resizable:false,
      webPreferences: {
        nodeIntegration:true
      }
    })
    win.loadURL(winURL)
    if (!process.env.IS_TEST) win.webContents.openDevTools();
    if(!isDevelopment)createProtocol('app');
    win.on('closed', () => {
      win = null
    })
  }
  ipcMain.on('createSubWindow', (e,data)=>{
    createSubWindow(data);
  }
  
  )
  // 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
      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()
      })
    }
  }
  