From a8633e34b247ad483ba3de81a518d4db11be7446 Mon Sep 17 00:00:00 2001
From: Shawn <shawn@kafei.io>
Date: Thu, 25 Oct 2018 14:07:11 -0500
Subject: [PATCH] Fix checking length of endefined

---
 server/middleware/logMetricsMiddleware.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/middleware/logMetricsMiddleware.js b/server/middleware/logMetricsMiddleware.js
index 2ad4c5fa..3008900e 100644
--- a/server/middleware/logMetricsMiddleware.js
+++ b/server/middleware/logMetricsMiddleware.js
@@ -9,7 +9,7 @@ function logMetricsMiddleware(req, res, next) {
 
     let referrer = req.get('referrer');
 
-    if(referrer.length > 255) {
+    if(referrer && referrer.length > 255) {
       // Attempt to "safely" clamp long URLs
       referrer = /(.*?)#.*/.exec(referrer)[1];