ComponentB.html

<p>component-b works!</p>
<div *ngIf="accounts">
  <div *ngFor="let account of accounts.content">
    <div>id : {{account.id}}</div>
  </div>
</div>

<mat-paginator [length]="length"
               [pageSize]="pageSize"
               [pageSizeOptions]="pageSizeOptions"
               (page)="getServerData($event)">
</mat-paginator>