Config.fromMap constructor

Config.fromMap(PlatformValueProvider valueProvider, Map config, Map<String, dynamic> args)

Implementation

factory Config.fromMap(
  PlatformValueProvider valueProvider,
  Map<dynamic, dynamic> config,
  Map<String, dynamic> args,
) {
  final String? devExtension = config[ConfigFieldType.DEV_EXTENSION];
  final Map<dynamic, dynamic> configFields = config[ConfigFieldType.FIELDS];
  final Map<dynamic, dynamic> extensions =
      config[ConfigFieldType.EXTENSIONS] ?? {};

  Map<dynamic, dynamic> extension = {};
  String? extensionName;

  if (devExtension != null && args[devExtension]) {
    extensionName = devExtension;
  }

  extensionName ??= args[ConfigFieldType.CONFIG_EXTENSION];

  if (extensionName != null) {
    if (!extensions.containsKey(extensionName)) {
      throw ExtensionNotFound(extensionName);
    }

    extension = extensions[extensionName] ?? {};
  }

  Map<dynamic, dynamic> extensionFields =
      extension[ConfigFieldType.FIELDS] ?? {};

  final Iterable<FieldConfig> fields = configFields.keys.map(
    (key) => FieldConfig(
      valueProvider,
      key,
      config[ConfigFieldType.FIELDS][key] ?? {},
      extensionFields[key] ?? {},
      args[key],
    ),
  );

  return Config(config, args, fields, extension);
}