From 60b267057f97b9e85bec8b3106c6f4e8f8ee4ce8 Mon Sep 17 00:00:00 2001
From: Menas Erian <meena5.erian@gmail.com>
Date: Mon, 26 Sep 2022 18:01:32 +0400
Subject: [PATCH] Allow deletion of properties with value = undefined

---
 lib/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/index.js b/lib/index.js
index dd0144b..3a6f442 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -69,7 +69,7 @@ function _delete(obj, prop) {
 		let clone, head = prop[i];
 
 		if (obj === null || typeof obj !== 'object' ||
-			!Array.isArray(obj) && obj[head] === undefined) {
+			!Array.isArray(obj) && !obj.hasOwnProperty(head)) {
 
 			return obj;
 		}