Fix: Return array with node from getNeighborsAndSelf() when node is root

nicmart · Jan 28, 2023 · d844ec0 · d844ec0
1 parent 62ed455
commit d844ec0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/Node/NodeTrait.php b/src/Node/NodeTrait.php
@@ -129,6 +129,12 @@ public function getNeighbors(): array
 
     public function getNeighborsAndSelf(): array
     {
+        if (null === $this->parent) {
+            return [
+                $this,
+            ];
+        }
+
         return $this->getParent()->getChildren();
     }