File 'app/hero.ts' is not a module error in the console, where to store interfaces files in directory structure with angular2?

Question

I am doing the angular2 tutorial at this address: https://angular.io/docs/ts/latest/tutorial/toh-pt3.html I have put the hero interface in a single

Answer 1

This error is caused by failer of the ng serve serve to automatically pick up a newly added file. To fix this, simply restart your server.

Though closing the reopening the text editor or IDE solves this problem, many people do not want to go through all of the stress of reopening the project. To Fix this without closing the text editor...

In terminal where the server is running,

• Press ctrl+C to stop the server then,
• Start the server again: ng serve

That should work.