const {app, BrowserWindow} = require('electron'); const path = require('path'); const url = require('url'); let win; function createWindow () { win = new BrowserWindow({width:800,height:600}); win.loadURL(url.format({ pathname: path.join(__dirname, 'index.html'), protocol: 'file:', slashes: true })); win.webContents.openDevTools(); 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(); } })