text: const electron =  require('electron');
  const path = require('path');
  const url = require('url');
  
  const app = electron.app;
  const BrowserWindow = electron.BrowserWindow;
  
  let mainWindow;
  
  function createWindow () {
    // Create the browser window.
    mainWindow = new BrowserWindow({
      width: 1024, 
      height: 728
    });
  
    // and load the index.html of the app.
    if (process.env.NODE_ENV === 'development') {
        mainWindow.loadURL('http://localhost:3000/index.html');
  
      // Open the DevTools.
      mainWindow.webContents.openDevTools();
    }else{
      mainWindow.loadURL(url.format({
        pathname: path.join(__dirname, 'dist', 'index.html'),
        protocol: 'file:',
        slashes: true
      }))
    }
  
  
  
  
  
    // Emitted when the window is closed.
    mainWindow.on('closed', function () {
      // Dereference the window object, usually you would store windows
      // in an array if your app supports multi windows, this is the time
      // when you should delete the corresponding element.
      mainWindow = null
    })
  }
  
  
  // 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', createWindow)
  
  // Quit when all windows are closed.
  app.on('window-all-closed', function () {
    // On OS X 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', function () {
    // On OS X 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 (mainWindow === null) {
      createWindow()
    }
  })