monaco-editor/electron-amd/main.js

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()
	}
})