fix(bridge-react): add default basename for WraperRouterProvider (#3020)

Author: chenyuan-new

.changeset/cuddly-pumpkins-switch.md

@@ -0,0 +1,5 @@
+---
+'@module-federation/bridge-react': patch
+---
+
+fix(bridge-react): add default basename for WraperRouterProvider

packages/bridge/bridge-react/src/router-v6.tsx

@@ -60,7 +60,8 @@ function WraperRouterProvider(
     return <RouterProvider router={MemeoryRouterInstance} />;
   } else {
     const BrowserRouterInstance = createBrowserRouter(routers, {
-      basename: routerContextProps.basename,
+      // In host app, the routerContextProps is {}, so we should use router.basename as fallback
+      basename: routerContextProps.basename || router.basename,
       future: router.future,
       window: router.window,
     });