From 43adbd5490d31eba3088952164733fa605dc669d Mon Sep 17 00:00:00 2001
From: Bill Thornton <billt2006@gmail.com>
Date: Mon, 25 Apr 2022 16:46:19 -0400
Subject: [PATCH] Revert single optional check in app router

---
 src/components/appRouter.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/appRouter.js b/src/components/appRouter.js
index b0a1489aed..a75d8823df 100644
--- a/src/components/appRouter.js
+++ b/src/components/appRouter.js
@@ -27,7 +27,7 @@ class AppRouter {
     msgTimeout;
     promiseShow;
     resolveOnNextShow;
-    previousRoute;
+    previousRoute = {};
 
     constructor() {
         document.addEventListener('viewshow', () => this.onViewShow());
@@ -482,7 +482,7 @@ class AppRouter {
 
     #getHandler(route) {
         return (ctx, next) => {
-            const ignore = route.dummyRoute === true || this.previousRoute?.dummyRoute === true;
+            const ignore = route.dummyRoute === true || this.previousRoute.dummyRoute === true;
             this.previousRoute = route;
             if (ignore) {
                 // Resolve 'show' promise