main.ts

import { app, BrowserWindow } from 'electron';
import * as path from 'path';
import * as url from 'url';

let win: BrowserWindow, serve: boolean;
const args = process.argv.slice(1);
serve = args.some(val => val === '--serve');

function createWindow() {
  win = new BrowserWindow({
    center: true,
    resizable: true,
    fullscreenable: true,
    icon: path.join(__dirname, 'src/favicon.png'),
    width: 1200,
    height: 640,
    webPreferences: {
      nodeIntegration: true,
      zoomFactor: 0.95
    },
  });

  win.setMenuBarVisibility(false);

  if (serve) {
    require('electron-reload')(__dirname, {
      electron: require(`${__dirname}/node_modules/electron`)
    });
    win.loadURL('http://localhost:4200');
  } else {
    win.loadURL(url.format({
      pathname: path.join(__dirname, 'dist/index.html'),
      protocol: 'file:',
      slashes: true
    }));
  }

  win.on('closed', () => {
    win = null;
  });

}

app.on('ready', createWindow);

app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit();
  }
});

app.on('activate', () => {
  if (win === null) {
    createWindow();
  }
});