ng-template.component.ts

import '...';

@Component({
  selector: 'app-ng-template',
  templateUrl: './ng-template.component.html',
  styleUrls: ['./ng-template.component.scss']
})
export class NgTempalateComponent implements OnInit {
  context = {
    myFirstName: 'John Doe',
    greeting(name) {
      alert(`Hello! ${name}`);
    }
  };
  
  constructor() {}
}