docs: align toh-pt5 code with toh-pt4 (angular#41234)

gkalpak · mhevery · commit 6d47b05b5bda · 2021-03-18T10:00:52.000-07:00
This commit aligns the code of `HeroService` `getHeroes()` and `getHero()` methods in `toh-pt5` with that of `toh-pt4`. I.e. it applies the changes from angular#40419 to `toh-pt5`. PR Close angular#41234
diff --git a/aio/content/examples/toh-pt5/src/app/hero.service.ts b/aio/content/examples/toh-pt5/src/app/hero.service.ts
@@ -12,16 +12,16 @@ export class HeroService {
   constructor(private messageService: MessageService) { }
 
   getHeroes(): Observable<Hero[]> {
-    // TODO: send the message _after_ fetching the heroes
+    const heroes = of(HEROES);
     this.messageService.add('HeroService: fetched heroes');
-    return of(HEROES);
+    return heroes;
   }
 
   // #docregion getHero
   getHero(id: number): Observable<Hero> {
-    // TODO: send the message _after_ fetching the hero
+    const hero = HEROES.find(h => h.id === id);
     this.messageService.add(`HeroService: fetched hero id=${id}`);
-    return of(HEROES.find(hero => hero.id === id));
+    return of(hero);
   }
   // #enddocregion getHero
 }

Original file line number	Diff line number	Diff line change
`@@ -12,16 +12,16 @@ export class HeroService {`
`12`	`12`	`constructor(private messageService: MessageService) { }`
`13`	`13`
`14`	`14`	`getHeroes(): Observable<Hero[]> {`
`15`		`- // TODO: send the message _after_ fetching the heroes`
	`15`	`+ const heroes = of(HEROES);`
`16`	`16`	`this.messageService.add('HeroService: fetched heroes');`
`17`		`- return of(HEROES);`
	`17`	`+ return heroes;`
`18`	`18`	`}`
`19`	`19`
`20`	`20`	`// #docregion getHero`
`21`	`21`	`getHero(id: number): Observable<Hero> {`
`22`		`- // TODO: send the message _after_ fetching the hero`
	`22`	`+ const hero = HEROES.find(h => h.id === id);`
`23`	`23`	this.messageService.add(`HeroService: fetched hero id=${id}`);
`24`		`- return of(HEROES.find(hero => hero.id === id));`
	`24`	`+ return of(hero);`
`25`	`25`	`}`
`26`	`26`	`// #enddocregion getHero`
`27`	`27`	`}`