YamlNode remove()

in lib/src/editor.dart [400:434]
27 lines of code
4 McCabe index (conditional complexity)

  YamlNode remove(Iterable<Object?> path) {
    late SourceEdit edit;
    late YamlNode expectedNode;
    final nodeToRemove = _traverse(path, checkAlias: true);

    if (path.isEmpty) {
      edit = SourceEdit(0, _yaml.length, '');
      expectedNode = wrapAsYamlNode(null);

      /// Parsing an empty YAML document returns YamlScalar with value `null`.
      _performEdit(edit, path, expectedNode);
      return nodeToRemove;
    }

    final pathAsList = path.toList();
    final collectionPath = pathAsList.take(path.length - 1);
    final keyOrIndex = pathAsList.last;
    final parentNode = _traverse(collectionPath);

    if (parentNode is YamlList) {
      edit = removeInList(this, parentNode, keyOrIndex as int);
      expectedNode = wrapAsYamlNode(
        [...parentNode.nodes]..removeAt(keyOrIndex),
      );
    } else if (parentNode is YamlMap) {
      edit = removeInMap(this, parentNode, keyOrIndex);

      expectedNode =
          updatedYamlMap(parentNode, (nodes) => nodes.remove(keyOrIndex));
    }

    _performEdit(edit, collectionPath, expectedNode);

    return nodeToRemove;
  }