main.js

// Modules to control application life and create native browser window
const {app, BrowserWindow } = require('electron')
const path = require('path')

const DEBUG = true;

// 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: 650,
      height: 850,
      title: "Tracklister " + app.getVersion(),
      webPreferences: {
        preload: path.join(__dirname, 'src/preload.js'),
        nodeIntegration: true
      }  
  })

  // and load the index.html of the app.
  mainWindow.loadFile('src/index.html')

  // Open the DevTools.
  if (DEBUG == true) {
    mainWindow.webContents.openDevTools();
  }

  mainWindow.removeMenu();

  mainWindow.webContents.on('new-window', function(e, url) {
    e.preventDefault();
    require('electron').shell.openExternal(url);
  });

  // 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 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', function () {
  // 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 (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.