const { app, BrowserWindow } = require('electron'); function createWindow() { const win = new BrowserWindow({ width: 800, height: 600, webPreferences: { nodeIntegration: true, }, autoHideMenuBar: true, }); win.loadURL('http://localhost:3000'); } app.whenReady().then(createWindow); app.on('window-all-closed', () => { if (process.platform !== 'darwin') { app.quit(); } }); app.on('activate', () => { if (BrowserWindow.getAllWindows().length === 0) { createWindow(); } });