How to debug Angular universal?
You can't debug node part of your Angular 4 app in browser. Node work on server part so you can't see this in browser (client side).
Only way to debug this part when you start it from ts-node server.ts is to use external tools like WebStorm etc. If you start your App in TS mode from Debug mode you can use all features of this tools.
To create the server-side app module, app.server.module.ts, run the following CLI command.
ng add @nguniversal/express-engineTo start rendering your app with Universal on your local system, use the following command.
npm run dev:ssr