From e256e64e68d9348ef7151d9be3a6bea3cc1eff46 Mon Sep 17 00:00:00 2001
From: MrTimscampi <julien.machiels@protonmail.com>
Date: Sun, 12 Apr 2020 14:34:51 +0200
Subject: [PATCH] Handle source properly in fillImage

---
 src/components/images/imageLoader.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/components/images/imageLoader.js b/src/components/images/imageLoader.js
index 2166d6ccff..4247f2c0cb 100644
--- a/src/components/images/imageLoader.js
+++ b/src/components/images/imageLoader.js
@@ -20,10 +20,11 @@ import 'css!./style';
             throw new Error('entry cannot be null');
         }
 
+        var source = undefined;
         if (entry.target) {
-            var source = entry.target.getAttribute('data-src');
+            source = entry.target.getAttribute('data-src');
         } else {
-            var source = entry;
+            source = entry;
         }
 
         if (entry.intersectionRatio > 0 && source) {
@@ -34,6 +35,10 @@ import 'css!./style';
     }
 
     function fillImageElement(elem, url) {
+        if (url === undefined) {
+            throw new Error('url cannot be undefined');
+        }
+
         let preloaderImg = new Image();
         preloaderImg.src = url;