[fix] History object missing in Router component

Author: TechQuery

package.json

@@ -1,6 +1,6 @@
 {
     "name": "cell-router",
-    "version": "4.0.0",
+    "version": "4.0.1",
     "license": "LGPL-3.0",
     "description": "Web Component Router based on WebCell & MobX",
     "keywords": [

source/Router.tsx

@@ -66,9 +66,12 @@ export class CellRouter
         if (routes[0]) this.routes = routes;
     };
 
-    @reaction(({ history }) => history.path)
+    @reaction(({ history }) => history?.path)
     async renderChildren() {
         const { history, routes } = this;
+
+        if (!history) return;
+
         const { path } = history;
         const [{ component: Tag, ...matched } = {}] = [...routes]
             .sort(