main.js

// const { app, BrowserWindow } = require('electron')
// const path = require('path')
// const url = require('url')
//
// function createWindow () {
//   const win = new BrowserWindow({
//     width: 800,
//     height: 600,
//     webPreferences: {
//       preload: path.join(__dirname, 'preload.js')
//     }
//   })
//
//   win.loadFile('base.html')
// }
//
// app.whenReady().then(() => {
//   createWindow()
//
//   app.on('activate', () => {
//     if (BrowserWindow.getAllWindows().length === 0) {
//       createWindow()
//     }
//   })
// })
//
// app.on('window-all-closed', () => {
//   if (process.platform !== 'darwin') {
//     app.quit()
//   }
// })
//
// var pyshell = require('python-shell');
//   pyshell.PythonShell.run('./src/python/engine.py', function  (err, results) {
//     if (err) console.log(err);
//   });

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: 500, height: 500})

  // and load the base.html of the app.
  mainWindow.loadURL('http:localhost:5000/')

  // 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

    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()
  }
})