nodejs
diff --git a/‎lib/internal/streams/iter/push.js‎
Lines changed: 4 additions & 0 deletions b/‎lib/internal/streams/iter/push.js‎
Lines changed: 4 additions & 0 deletions
@@ -448,6 +448,10 @@ class PushQueue {
   // ===========================================================================
 
   #drain() {
+    if (this.#slots.length === 1) {
+      return this.#slots.shift();
+    }
+
     const result = [];
     for (let i = 0; i < this.#slots.length; i++) {
       const slot = this.#slots.get(i);