Cannot find module './in-memory-data-service' in tour of heroes for Angular2

Question

I am trying to work through the Angular2 tour of heroes app, and am running into bugs on the Http section of the tutorial.

At first I was getting the error:

Answer 1

Angular 6 - Windows I got

Failed to compile.

./src/app/in-memory-data.service
Module build failed: Error: ENOENT: no such file or directory, open 'e:\visualStudioWorkspace\angular-tour-of-heroes\src\app\in-memory-data.service'

When I change

import { InMemoryDataService }  from './in-memory-data.service';

to (notice data.service changes to data-service)

import { InMemoryDataService }  from './in-memory-data-service';

and rename file to in-memory-data-service.ts it works.