From dffa93b804302363aceb7dc814b01629014ed03b Mon Sep 17 00:00:00 2001
From: Sean Timm <sean@seantimm.com>
Date: Fri, 5 Oct 2018 14:22:31 -0600
Subject: [PATCH] Resolve race condition with blurImg

blurImg can already be nulled out by the time the rAF function
is called, so we have to check there as well.
---
 plugins/blur-up/ls.blur-up.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/blur-up/ls.blur-up.js b/plugins/blur-up/ls.blur-up.js
index 32142e41..7537ea89 100644
--- a/plugins/blur-up/ls.blur-up.js
+++ b/plugins/blur-up/ls.blur-up.js
@@ -54,7 +54,9 @@
 
 				if(blurImg){
 					lazySizes.rAF(function () {
-						lazySizes.aC(blurImg, 'ls-blur-up-loaded');
+						if(blurImg) {
+							lazySizes.aC(blurImg, 'ls-blur-up-loaded');
+						}
 					});
 
 					blurImg.removeEventListener('load', onloadBlurUp);