From c356597523fe635de0666f2f492382e0d1631769 Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Mon, 15 Nov 2021 13:03:30 -0600
Subject: [PATCH] sw.js: fix match against undefined pathname

---
 webpack/production.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/webpack/production.js b/webpack/production.js
index 220ed8991..37a1a4397 100644
--- a/webpack/production.js
+++ b/webpack/production.js
@@ -104,7 +104,11 @@ module.exports = merge(sharedConfig, {
           ];
 
           const isBackendRoute = ({ pathname }) => {
-            return backendRoutes.some(pathname.startsWith);
+            if (pathname) {
+              return backendRoutes.some(pathname.startsWith);
+            } else {
+              return false;
+            }
           };
 
           return isBackendRoute(requestUrl) && requestUrl;