text: const electron = require('electron');
  // Module to control application life.
  const app = electron.app;
  // Module to create native browser window.
  const BrowserWindow = electron.BrowserWindow;
  
  const path = require('path');
  const url = require('url');
  
  // 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 mainWindow;
  
  function createWindow() {
      // Create the browser window.
      mainWindow = new BrowserWindow({width: 800, height: 600});
  
      // and load the index.html of the app.
      const startUrl = process.env.ELECTRON_START_URL || url.format({
              pathname: path.join(__dirname, '/../build/index.html'),
              protocol: 'file:',
              slashes: true
          });
      mainWindow.loadURL(startUrl);
      // Open the DevTools.
      mainWindow.webContents.openDevTools();
  
      // 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()
      }
  });
  
  // In this file you can include the rest of your app's specific main process
  // code. You can also put them in separate files and require them here.