initialStateFor<K extends Object, V> static method

ResourceState<K, V> initialStateFor<K extends Object, V>(K? key, InitialValue<K, V>? initialValue, { required bool isLoading, })

Implementation

static ResourceState<K, V> initialStateFor<K extends Object, V>(
  K? key,
  InitialValue<K, V>? initialValue, {
  required bool isLoading,
}) {
  if (key != null) {
    final value = () {
      try {
        return initialValue?.call(key);
      } catch (e, s) {
        assert(() {
          print('WARN: Initial value callback threw on key \'$key\'. '
              'Ignoring initial value. Error: $e');
          print(s);
          return true;
        }());
        return null;
      }
    }();

    if (value != null) {
      return ResourceState.withValue(key, value,
          isLoading: isLoading, source: Source.cache);
    }
  }

  return ResourceState.initial(key, isLoading: isLoading);
}