結論 electron-next内のelectron-is-devのバージョンを2.Xまで下げれば動きます。 { "private": true, "version": "1.0.0", "main": "main/index.js", "name": "electron-typescript-next", "productName": "ElectronTypescriptNext", "scripts": { "clean": "rimraf dist main renderer/out renderer/.next", "dev": "npm…