fix(nuxt): ensure injected route has enumerable keys (#28841)

packages/nuxt/src/app/components/route-provider.ts

@@ -27,6 +27,7 @@ export const RouteProvider = defineComponent({
     for (const key in props.route) {
       Object.defineProperty(route, key, {
         get: () => previousKey === props.renderKey ? props.route[key as keyof RouteLocationNormalizedLoaded] : previousRoute[key as keyof RouteLocationNormalizedLoaded],
+        enumerable: true,
       })
     }
 

packages/nuxt/src/pages/runtime/plugins/router.ts

@@ -122,6 +122,7 @@ const plugin: Plugin<{ router: Router }> = defineNuxtPlugin({
     for (const key in _route.value) {
       Object.defineProperty(route, key, {
         get: () => _route.value[key as keyof RouteLocation],
+        enumerable: true,
       })
     }