AwesomeComponents

This project was generated with Angular CLI version 10.2.0.

Development server

Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.

Code scaffolding

Build

Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.

Running unit tests

Run ng test to execute the unit tests via Karma.

Running end-to-end tests

Run ng e2e to execute the end-to-end tests via Protractor.

Further help

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Initilisation de l'application social media

init projet

ng new awesome-components --style=scss --skip-tests=true --routing

ajouter bibliotheque material

ng add @angular/material

generer 3 modules et le dernier avec son propore module de routing

ng g m core
ng g m shared
ng g m social-media --routing

generer le composant header dans le module core

ng g c core/components/header

Le flag --routing permet d'ajouter automatiquement un module de routing depuis le CLI.

ng add permet d'ajouter certaines bibliothèques comme Angular Material à votre projet Angular.

Pour utiliser un component Material, il faut importer le module correspondant.

Exporter des éléments depuis un module les met à disposition de tout autre module qui viendrait l'importer – par exemple, exporter MatToolbarModule dans SharedModule.

etape pour l'implementation d'un resolver

service

preparer une methode du service qui renvoi un observable

  getPosts(): Observable<Post[]> {
      return this.http.get<Post[]>(`${environment.apiUrl}/posts`);
  }

resolver

Implementer le resolver comme ceci

considerer comme un service qui utiliser le service precedemment preparer
dans notre cas nous n'utiliserons pas les deux parametre de la methode resolve

@Injectable()
export class PostsResolver implements Resolve<Post[]> {
    constructor(private postService: PostService){}
    resolve( route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<Post[]>
    {
        return this.postService.getPosts();
    }
}

Container (PostListComponent)

posts$! : Observable<Post[]>;

  constructor(private route: ActivatedRoute) { }

  ngOnInit(): void {
    this.posts$ =  this.route.data.pipe(
      map(data => data['posts'])
    );
    
  }

<h2>Posts</h2>
<app-post-list-item *ngFor="let post of posts$ | async" [post]="post">
</app-post-list-item>

presenter (PostListItemComponent)

  @Input() post!: Post;
  constructor() { }

  ngOnInit(): void {
  }

<p>{{post.title }}</p>

seammour / awesome-components