extractListOfJsonObjects method

Implementation

@override
List<Map<String, dynamic>> extractListOfJsonObjects(
  dynamic value,
  String errMsg,
) {
  if (value is! List) {
    throw FormatException(
      "[JsonConverter]: expected list, got ${value.runtimeType}: $errMsg",
    );
  }
  final List<Map<String, dynamic>> resultList = [];
  for (final element in value) {
    if (element is! Map) {
      throw FormatException(
        "[JsonConverter] expected each element in list to be a map, got ${element.runtimeType}: $errMsg",
      );
    }
    final Map<String, dynamic> typedMap = {};
    for (final entry in (element).entries) {
      if (entry.key is! String) {
        throw FormatException(
          "[JsonConverter] expected each key in map to be String, got ${entry.key.runtimeType}: $errMsg",
        );
      }
      typedMap[entry.key as String] = entry.value;
    }
    resultList.add(typedMap);
  }
  return resultList;
}