main.js

const { app, BrowserWindow } = require('electron');

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

const api = require('./lib/api');

let win;

const createWindow = () => {
  win = new BrowserWindow({width: 1000, height: 600});

  //win.loadURL('http://localhost:4200');

  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('activate', () => {
  if (!win) createWindow();
})

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