e) Show messages - Inject it into the HeroService
import { Observable, of } from 'rxjs';
import { Hero } from './hero';
import { HEROES } from './mock-heroes';
import { Observable, of } from 'rxjs';
import { Hero } from './hero';
import { HEROES } from './mock-heroes';
+import { MessageService } from './message.service';
})
export class HeroService {
})
export class HeroService {
+ constructor(private messageService : MessageService) { }
getHeroes() : Observable<Hero[]> {
return of(HEROES);
getHeroes() : Observable<Hero[]> {
return of(HEROES);