ElectronでcontextBridgeによる安全なIPC通信 - Qiita

/* main.js, case 0 (initial) **************************/ const {electron,BrowserWindow,app} = require('electron'); let mainWindow = null; const CreateWindow = () => { mainWindow = new BrowserWindow({width: 800, height: 600}); mainWindow.loadURL('file://' + __dirname + '/index.html'); mainWindow.webContents.openDevTools(); mainWindow.on('closed', function() { mainWindow = null; }); } app.on('ready'