main.js

 // Handling squirrel setupevents before the process starts.
 const setupEvents = require('./build_tools/setupEvents')
 if (setupEvents.handleSquirrelEvent()) {
     // squirrel event handled and app will exit in 1000ms, so don't do anything else
     return;
 }

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

 let mainWindow;

 app.on('window-all-closed', () => {
     // On OS X 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();
     }
 });

 // This method will be called when Electron has finished
 // initialization and is ready to create browser windows.
 app.on('ready', function() {
     mainWindow = new BrowserWindow({ width: 1000, height: 800, show: false });

     mainWindow.loadURL('file://' + __dirname + '/dist/index.html');
     try { require('./app/scripts/mpris').init(app, mainWindow); } catch (err) {}
     try { require('electron-connect').client.create(mainWindow); } catch (err) {}

     // Emitted when the window is closed.
     mainWindow.on('closed', () => {
         // 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;
     });

     mainWindow.webContents.on('new-window', (e, uri) => {
         let protocol = url.parse(uri).protocol;

         if (protocol === 'http:' || protocol === 'https:') {
             e.preventDefault();
             shell.openExternal(uri);
         }
     })

     mainWindow.once('ready-to-show', () => {
         mainWindow.show();
     })

     ipcMain.on('foreground', (e, arg) => {
         mainWindow.setAlwaysOnTop(arg);
         e.returnValue = arg;
     });

     ipcMain.on('stationChange', (e, arg) => {
         mainWindow.setIcon(__dirname + '/dist/images/logos/' + arg + '-64.png');
         e.returnValue = arg;
     });
 });