Flutter Transtale Function

translate.dart

void main() {
  Map<String, dynamic> map = {
    "hello": {
      "thorn": "Bong Thorn",
      "second": {
        "sala": "OneSala"
      }
    }
  };

  final rusult = _getTranslation("hello.second.sala", map);
  
  print(rusult);
  
}

String? _getTranslation(String key, Map<String, dynamic> map) {
  List<String> keys = key.split('.');

  if (keys.length > 1) {
    var firstKey = keys.first;

    if (map.containsKey(firstKey) && map[firstKey] is! String) {
      return _getTranslation(
          key.substring(key.indexOf('.') + 1), map[firstKey]);
    }
  }

  return map[key];
}