convertToMapOfLists static method

Map<String, List> convertToMapOfLists(
  1. Map<String, dynamic> map
)

Implementation

static Map<String, List<dynamic>> convertToMapOfLists(Map<String, dynamic> map) {
  return map.map((key, value) {
    if (value is List) {
      return MapEntry(key, value);
    } else {
      throw Exception('Value for key ${key} is not a List');
    }
  });
}