fixed some initialization problems with tabs

1 files changed, 4 insertions, 2 deletions

diff --git a/src/client/util/History.ts b/src/client/util/History.ts
index e6f75a7db..632348306 100644
--- a/src/client/util/History.ts
+++ b/src/client/util/History.ts
@@ -58,8 +58,10 @@ export namespace HistoryUtil {
 
     export function getState(): ParsedUrl {
         const state = copyState(history.state);
-        state.initializers = state.initializers || {};
-        return state;
+        if (state) {
+            state.initializers = state.initializers || {};
+        }
+        return state ?? {initializers:{}};
     }
 
     // export function addHandler(handler: (state: ParsedUrl | null) => void) {