Map? _extractExtraData()

in lib/src/package_config_json.dart [285:305]

• 21 lines of code
• 10 McCabe index (conditional complexity)

Map<String, Object?>? _extractExtraData(
    Object? data, Iterable<String> reservedNames) {
  if (data is Map<String, Object?>) {
    if (data.isEmpty) return null;
    for (var name in reservedNames) {
      if (data.containsKey(name)) {
        var filteredData = {
          for (var key in data.keys)
            if (!reservedNames.contains(key)) key: data[key]
        };
        if (filteredData.isEmpty) return null;
        for (var value in filteredData.values) {
          if (!_validateJson(value)) return null;
        }
        return filteredData;
      }
    }
    return data;
  }
  return null;
}