text: const electron = require('electron');
  const path = require('path');
  const url = require('url');
  const package_json = require('../package.json');
  
  // 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;
  
  const { app, BrowserWindow } = electron;
  
  function createWindow() {
  
      const displaySize = electron.screen.getPrimaryDisplay().size;
  
      mainWindow = new BrowserWindow({
          width: displaySize.width * 0.7,
          height: displaySize.height * 0.7,
          frame: true,
          resizable: true,
          transparent: false,
          autoHideMenuBar: false,
          center: true,
          minWidth: 800,
          minHeight: 600,
          fullscreenable: true,
          title: package_json.name,
          icon: path.resolve(__dirname, '../img/logo/logo_64.png')
      });
  
      mainWindow.setMenu(null);
  
      // and load the index.html of the app.
      mainWindow.loadURL(url.format({
          pathname: path.resolve(__dirname, '../html/index.html'),
          protocol: 'file:',
          slashes: true
      }));
  
      // 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.