fix(nuxt): only redirect if path is not the same as initial url (#21815)

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

@@ -198,7 +198,7 @@ const plugin: Plugin<{ router: Router }> = defineNuxtPlugin({
           fatal: false,
           statusMessage: `Page not found: ${to.fullPath}`
         })))
-      } else if (process.server && to.redirectedFrom) {
+      } else if (process.server && to.redirectedFrom && to.fullPath !== initialURL) {
         await nuxtApp.runWithContext(() => navigateTo(to.fullPath || '/'))
       }
     })

test/basic.test.ts

@@ -117,6 +117,11 @@ describe('pages', () => {
     expect(headers.get('location')).toEqual('/')
   })
 
+  it('allows routes to be added dynamically', async () => {
+    const html = await $fetch('/add-route-test')
+    expect(html).toContain('Hello Nuxt 3!')
+  })
+
   it('includes page metadata from pages added in pages:extend hook', async () => {
     const res = await fetch('/page-extend')
     expect(res.headers.get('x-extend')).toEqual('added in pages:extend')

test/fixtures/basic/plugins/add-route.ts

@@ -0,0 +1,18 @@
+export default defineNuxtPlugin((_nuxtApp) => {
+  const router = useRouter()
+
+  router.beforeEach((to) => {
+    if (to.path !== '/add-route-test') { return }
+    if (router.getRoutes().some(route => route.path === to.path)) {
+      return
+    }
+
+    router.addRoute({
+      path: to.path,
+      name: to.path,
+      component: () => import('~/pages/index.vue')
+    })
+
+    return to.path
+  })
+})