From d410b1eed3bb4cd63c7a969aedbd20492f859c31 Mon Sep 17 00:00:00 2001
From: Harrison Healey <harrisonmhealey@gmail.com>
Date: Fri, 13 Jul 2018 12:55:10 -0400
Subject: [PATCH] MM-11324 Added defensive code to hashCode function (#1925)

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

diff --git a/app/utils/image_cache_manager.js b/app/utils/image_cache_manager.js
index 28627a8ef..a9cf0ad5f 100644
--- a/app/utils/image_cache_manager.js
+++ b/app/utils/image_cache_manager.js
@@ -101,7 +101,7 @@ const hashCode = (str) => {
     let hash = 0;
     let i;
     let chr;
-    if (str.length === 0) {
+    if (!str || str.length === 0) {
         return hash;
     }