From 9f1b8a3b1efb1f8ac38f7b44651e5a0b3d41adfa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bar=C4=B1=C5=9F=20Soner=20U=C5=9Fakl=C4=B1?=
 <barisusakli@gmail.com>
Date: Wed, 15 Dec 2021 13:48:59 -0500
Subject: [PATCH] refactor: use hasOwnProperty

---
 public/src/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/src/utils.js b/public/src/utils.js
index fb0eed6c5f..86f799b63f 100644
--- a/public/src/utils.js
+++ b/public/src/utils.js
@@ -428,7 +428,7 @@
 		},
 
 		extensionToMimeType: function (extension) {
-			return utils.extensionMimeTypeMap[extension] || '*';
+			return utils.extensionMimeTypeMap.hasOwnProperty('extension') ? utils.extensionMimeTypeMap[extension] : '*';
 		},
 
 		isPromise: function (object) {