/**
* @param Tree|NestedSetsBehavior $node
* @param array $items
* @return TreeRecursiveIterator
*/
public static function buildNodeTree($node, $items = [])
{
$items = $items ?: $node->children()->all();
$tree = self::buildTree($items, $node->{$node->leftAttribute}, $node->{$node->rightAttribute});
return $tree;
}
