fix(vue-app): check whether route exists within nuxt app before repla…

…cing (#9431)

[release]

packages/vue-app/template/index.js

@@ -269,7 +269,12 @@ async function createApp(ssrContext, config = {}) {
 
   // Wait for async component to be resolved first
   await new Promise((resolve, reject) => {
-    router.replace(app.context.route.fullPath, resolve, (err) => {
+    const { route } = router.resolve(app.context.route.fullPath)
+    // Ignore 404s rather than blindly replacing URL
+    if (!route.matched.length && process.client) {
+      return resolve()
+    }
+    router.replace(route, resolve, (err) => {
       // https://github.com/vuejs/vue-router/blob/v3.4.3/src/util/errors.js
       if (!err._isRouter) return reject(err)
       if (err.type !== 2 /* NavigationFailureType.redirected */) return resolve()