שימוש רב פעמי לקומפוננטות

ng g c mods/ModsHome
ng g c mods/Modal

const routes: Routes = [
  { path: '', component: ModsHomeComponent }
];

const routes: Routes = [
  {
    path: 'elements',
    loadChildren: () =>
      import('./elements/elements.module').then(m => m.ElementsModule)
  },
  {
    path: 'collections',
    loadChildren: () =>
      import('./collections/collections.module').then(m => m.CollectionsModule)
  },
  {
    path: 'mods',
    loadChildren: () =>
      import('./mods/mods.module').then(m => m.ModsModule)
  },
  { path: '', component: HomeComponent },
  { path: '**', component: NotFoundComponent }
];

<app-divider>Modal Component</app-divider>

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#exampleModal">
  Launch demo modal
</button>

<app-modal></app-modal>

<!-- Modal -->
<div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h1 class="modal-title fs-5" id="exampleModalLabel">Modal title</h1>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>

export class ModalComponent implements OnInit {
  constructor(private el: ElementRef){
  }

  ngOnInit(){
    document.body.appendChild(this.el.nativeElement);
  }
}

export class ModalComponent implements OnInit, OnDestroy {
  constructor(private el: ElementRef){
  }

  ngOnInit(){
    document.body.appendChild(this.el.nativeElement);
  }

  ngOnDestroy(){
    this.el.nativeElement.remove();
    document.getElementsByClassName('modal-backdrop')[0].classList.remove('show');
  }
}

<!-- Modal -->
<div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h1 class="modal-title fs-5" id="exampleModalLabel"><ng-content select="[modalTitle]"></ng-content></h1>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
        <ng-content></ng-content>
      </div>
      <div class="modal-footer">
        <ng-content select="[modalFooter]"></ng-content>
      </div>
    </div>
  </div>
</div>

<app-modal>
  <span modalTitle>Title of the modal</span>
  Reusable modal content.
  <ng-container modalFooter>
    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
    <button type="button" class="btn btn-primary">Save changes</button>
  </ng-container>
</app-modal>

.modal-footer:empty{
  display: none;
}