refactor

bmichotte · Apr 30, 2019 · be77e1c · be77e1c
1 parent 6be5709
commit be77e1c
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/src/Dijkstra.php b/src/Dijkstra.php
@@ -63,6 +63,11 @@ protected function run(Point $parent): self
             $this->calculateWeight($parent, $child);
         }
 
+        return $this->findNextParent();
+    }
+
+    protected function findNextParent(): self
+    {
         // search for the next parent (smallest weight)
         // we have to find the smallest weight for a node we didn't passed by atm
         $smallest = INF;
@@ -73,7 +78,8 @@ protected function run(Point $parent): self
                 $nextParent = $weight['position'];
             }
         }
-        if (! is_null($nextParent)) {
+
+        if ($nextParent !== null) {
             return $this->run($nextParent);
         }