refactor: use hasOwnProperty

3 years ago · 9f1b8a3b1e
parent dbba0c396b
commit 9f1b8a3b1e
1 changed files with 1 additions and 1 deletions
--- 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) {