deserialize<T> method

T deserialize<T>(dynamic data, [ Type? t ])

Deserialize the provided json data to an object of type t or T.

Implementation

T deserialize<T>(dynamic data, [Type? t]) {
  t ??= T;

  //TODO: all the "dart native" types should be listed here
  if (_isNullableType<int>(t)) {
    return data;
  } else if (_isNullableType<double>(t)) {
    return (data as num?)?.toDouble() as T;
  } else if (_isNullableType<String>(t)) {
    return data;
  } else if (_isNullableType<bool>(t)) {
    return data;
  } else if (_isNullableType<DateTime>(t)) {
    if (data is DateTime) return data as T;
    if (data == null) return null as T;
    return DateTime.tryParse(data)?.toUtc() as T;
  } else if (_isNullableType<ByteData>(t)) {
    if (data is Uint8List) {
      var byteData = ByteData.view(
        data.buffer,
        data.offsetInBytes,
        data.lengthInBytes,
      );
      return byteData as T;
    } else {
      return (data as String?)?.base64DecodedByteData() as T;
    }
  } else if (_isNullableType<Duration>(t)) {
    return data == null ? data : Duration(milliseconds: (data as int)) as T;
  } else if (_isNullableType<UuidValue>(t)) {
    return (data == null ? null : UuidValue.fromString(data as String)) as T;
  }
  throw FormatException('No deserialization found for type $t');
}