From d16e80df2ba9475e04099fab5ff693a6aaa012b9 Mon Sep 17 00:00:00 2001
From: Timur Sevimli <svmlitimur@gmail.com>
Date: Fri, 12 Jan 2024 19:15:54 +0300
Subject: [PATCH] Fix finish method

---
 JavaScript/6-promise.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/JavaScript/6-promise.js b/JavaScript/6-promise.js
index 07162c5..49b3a0a 100644
--- a/JavaScript/6-promise.js
+++ b/JavaScript/6-promise.js
@@ -42,8 +42,11 @@ class Queue {
 
   finish(err, res) {
     const { onFailure, onSuccess, onDone, onDrain } = this;
-    if (err && onFailure) onFailure(err, res);
-    else if (onSuccess) onSuccess(res);
+    if (err) {
+      if (onFailure) onFailure(err, res);
+    } else if (onSuccess) {
+      onSuccess(res);
+    }
     if (onDone) onDone(err, res);
     if (this.count === 0 && this.waiting.length === 0 && onDrain) onDrain();
   }