From 0d850612bdd9e4559da7bde254fea397ba04d875 Mon Sep 17 00:00:00 2001
From: mehmet-erim <bilgi@mehmeterim.com>
Date: Mon, 3 Feb 2020 09:29:27 +0300
Subject: [PATCH] fix(core): add undefined control to AddRoute action listener

resolves #2738
---
 npm/ng-packs/packages/core/src/lib/states/config.state.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/npm/ng-packs/packages/core/src/lib/states/config.state.ts b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
index 2232fd0419..debbc9b8a0 100644
--- a/npm/ng-packs/packages/core/src/lib/states/config.state.ts
+++ b/npm/ng-packs/packages/core/src/lib/states/config.state.ts
@@ -249,7 +249,7 @@ export class ConfigState {
       if (index < 0) return;
 
       const parent = flattedRoutes[index];
-      if (parent.url.replace('/', '')) {
+      if ((parent.url || '').replace('/', '')) {
         route.url = `${parent.url}/${route.path}`;
       } else {
         route.url = `/${route.path}`;