main.js

const electron = require('electron');
const path = require('path');
const url = require('url');

const app = electron.app;
const BrowserWindow = electron.BrowserWindow;

let mainWindow;

app.commandLine.appendSwitch('remote-debugging-port', '2000');
app.commandLine.appendSwitch('enable-precise-memory-info');

function createWindow () {
  mainWindow = new BrowserWindow({
    width: 1280,
    height: 1024,
    webPreferences: {
      experimentalCanvasFeatures: true
    }
  });

  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, 'index.html'),
    protocol: 'file:',
    slashes: true
  }));

  //mainWindow.webContents.openDevTools()

  mainWindow.on('closed', function () {
    mainWindow = null;
  });
}

app.on('ready', createWindow);

app.on('window-all-closed', function () {
  app.quit();
});