ng-transclude en Angular moderno

app.component('card', {
  transclude: { title: '?cardTitle' },
  template:
    '<div class="card">' +
      '<header ng-transclude="title"></header>' +
      '<div ng-transclude></div>' +
    '</div>'
});

@Component({
  selector: 'app-card',
  template: `
    <div class="card">
      <header><ng-content select="[card-title]" /></header>
      <ng-content />
    </div>
  `,
})
export class CardComponent {}