asT<T extends Object?> function

T? asT<T extends Object?>(dynamic value, [ T? defaultValue ])

Implementation

T? asT<T extends Object?>(dynamic value, [T? defaultValue]) {
  if (value is T) {
    return value;
  }
  try {
    if (value != null) {
      final String valueS = value.toString();
      if ('' is T) {
        return valueS as T;
      } else if (0 is T) {
        return int.parse(valueS) as T;
      } else if (0.0 is T) {
        return double.parse(valueS) as T;
      } else if (false is T) {
        if (valueS == '0' || valueS == '1') {
          return (valueS == '1') as T;
        }
        return (valueS == 'true') as T;
      } else {
        return JsonConvert.convert<T>(value);
      }
    }
  } catch (e, stackTrace) {
    log('asT<$T>', error: e, stackTrace: stackTrace);
    return defaultValue;
  }

  return defaultValue;
}