const electron = require('electron') const app = electron.app const BrowserWindow = electron.BrowserWindow let mainWindow; function createWindow() { mainWindow = new BrowserWindow({ width: 800, height: 600 }) mainWindow.loadURL(`file://${__dirname}/electron-index.html`) mainWindow.webContents.openDevTools() mainWindow.on('closed', function () { mainWindow = null }) } app.on('ready', createWindow) app.on('window-all-closed', function () { if (process.platform !== 'darwin') { app.quit() } }) app.on('activate', function () { if (mainWindow === null) { createWindow() } })