‹input (keyup)="search($event.target.value)" id="name" placeholder="Search"/›

withRefresh = false;
packages$: Observable;
private searchText$ = new Subject();
 
search(packageName: string) {
  this.searchText$.next(packageName);
}
 
ngOnInit() {
  this.packages$ = this.searchText$.pipe(
    debounceTime(500),
    distinctUntilChanged(),
    switchMap(packageName =>
      this.searchService.search(packageName, this.withRefresh))
  );
}
 
constructor(private searchService: PackageSearchService) { }