optimize

Author: gurgunday

lib/internal/priority_queue.js

@@ -116,10 +116,10 @@ module.exports = class PriorityQueue {
   }
 
   shift() {
-    if (this.#size === 0)
-      return;
     const heap = this.#heap;
     const value = heap[1];
+    if (value === undefined)
+      return;
 
     this.removeAt(1);