getItemsWithFutureRequest method
Implementation
Future<void> getItemsWithFutureRequest() async {
if (futureRequest == null) return;
status.value = SearchableDropdownStatus.busy;
final response = await futureRequest!();
if (response is! List<SearchableDropdownMenuItem<T>>) return;
items = response;
searchedItems.value = response;
status.value = SearchableDropdownStatus.loaded;
}