useLastValidAsyncData<T> function
AsyncData<T> ?
useLastValidAsyncData<T>(
- AsyncValue<
T> value
Remembers and returns the most recent valid AsyncData
with the following logic:
AsyncData<T>
is rememberedAsyncError
resets tonull
.AsyncLoading
is ignored
Implementation
AsyncData<T>? useLastValidAsyncData<T>(AsyncValue<T> value) {
final state = useState<AsyncData<T>?>(null);
if (value is AsyncData<T>) {
state.value = value;
} else if (value is AsyncError) {
state.value = null;
}
return state.value;
}