fix(nuxt): avoid throwing 404 error before middleware finishes (#29054)

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

@@ -148,16 +148,8 @@ const plugin: Plugin<{ router: Router }> = defineNuxtPlugin({
         if (import.meta.server && failure?.type === 4 /* ErrorTypes.NAVIGATION_ABORTED */) {
           return
         }
-        if (to.matched.length === 0) {
-          await nuxtApp.runWithContext(() => showError(createError({
-            statusCode: 404,
-            fatal: false,
-            statusMessage: `Page not found: ${to.fullPath}`,
-            data: {
-              path: to.fullPath,
-            },
-          })))
-        } else if (import.meta.server && to.redirectedFrom && to.fullPath !== initialURL) {
+
+        if (import.meta.server && to.redirectedFrom && to.fullPath !== initialURL) {
           await nuxtApp.runWithContext(() => navigateTo(to.fullPath || '/'))
         }
       })
@@ -252,6 +244,19 @@ const plugin: Plugin<{ router: Router }> = defineNuxtPlugin({
       await nuxtApp.callHook('page:loading:end')
     })
 
+    router.afterEach(async (to, _from) => {
+      if (to.matched.length === 0) {
+        await nuxtApp.runWithContext(() => showError(createError({
+          statusCode: 404,
+          fatal: false,
+          statusMessage: `Page not found: ${to.fullPath}`,
+          data: {
+            path: to.fullPath,
+          },
+        })))
+      }
+    })
+
     nuxtApp.hooks.hookOnce('app:created', async () => {
       try {
         // #4920, #4982

test/basic.test.ts

@@ -167,8 +167,7 @@ describe('pages', () => {
     expect(headers.get('location')).toEqual('/')
   })
 
-  // TODO: https://github.com/nuxt/nuxt/pull/29054
-  it.todo('allows routes to be added dynamically', async () => {
+  it('allows routes to be added dynamically', async () => {
     const html = await $fetch<string>('/add-route-test')
     expect(html).toContain('Hello Nuxt 3!')
   })
@@ -250,8 +249,7 @@ describe('pages', () => {
     await serverPage.close()
   })
 
-  it.todo('returns 500 when there is an infinite redirect', async () => {
-    // TODO: Fix infinite redirect without catchall
+  it.runIf(isDev())('returns 500 when there is an infinite redirect', async () => {
     const { status } = await fetch('/catchall/redirect-infinite', { redirect: 'manual' })
     expect(status).toEqual(500)
   })
@@ -274,8 +272,7 @@ describe('pages', () => {
     await expectNoClientErrors('/catchall/not-found')
   })
 
-  // TODO: https://github.com/nuxt/nuxt/pull/29054
-  it.todo('should render correctly when loaded on a different path', async () => {
+  it('should render correctly when loaded on a different path', async () => {
     const { page, pageErrors } = await renderPage()
     await page.goto(url('/proxy'))
     await page.waitForFunction(() => window.useNuxtApp?.() && !window.useNuxtApp?.().isHydrating)
@@ -1278,6 +1275,13 @@ describe('middlewares', () => {
     expect(html).toContain('Hello Nuxt 3!')
   })
 
+  it('should allow redirection from a non-existent route with `ssr: false`', async () => {
+    const page = await createPage('/redirect/catchall')
+
+    expect(await page.getByRole('heading').textContent()).toMatchInlineSnapshot('"[...slug].vue"')
+    await page.close()
+  })
+
   it('should allow aborting navigation on server-side', async () => {
     const res = await fetch('/?abort', {
       headers: {

test/fixtures/basic/nuxt.config.ts

@@ -62,6 +62,7 @@ export default defineNuxtConfig({
     },
     routeRules: {
       '/route-rules/spa': { ssr: false },
+      '/redirect/catchall': { ssr: false },
       '/head-spa': { ssr: false },
       '/route-rules/middleware': { appMiddleware: 'route-rules-middleware' },
       '/hydration/spa-redirection/**': { ssr: false },