foo.ts

@Directive({
  host: {
    '(click)': 'goToRoute($event)',
    '(keydown)': 'goToRoute($event)'
  }
})
class MyRouteHandler {
  @Input() route;
  constructor(private _router: Router) {}
  goToRoute(evt: Event | KeyboardEvent) {
    if (evt.type === 'click' || (evt.type === 'keydown' && evt.keyCode === 13) {
      this._router.navigate([this.route]);
    }
  }
}