toJson method

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> map = <String, dynamic>{};

  void addIfNonNull(String fieldName, dynamic value) {
    if (value != null) {
      map[fieldName] = value;
    }
  }

  addIfNonNull('code', code);
  addIfNonNull('distances', distances);
  addIfNonNull('durations', durations);

  return map;
}