From 42405c252d9a50124566d0f15b5f7c40be463f3d Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 27 Jul 2021 14:55:01 +0100
Subject: [PATCH] fix(nitro): handle ssr redirects (#392)

---
 src/runtime/app/render.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/runtime/app/render.ts b/src/runtime/app/render.ts
index 277d953635..2e9f00745e 100644
--- a/src/runtime/app/render.ts
+++ b/src/runtime/app/render.ts
@@ -1,3 +1,4 @@
+import type { ServerResponse } from 'http'
 import { createRenderer } from 'vue-bundle-renderer'
 import devalue from '@nuxt/devalue'
 import { runtimeConfig } from './config'
@@ -47,7 +48,7 @@ function renderToString (ssrContext) {
   })
 }
 
-export async function renderMiddleware (req, res) {
+export async function renderMiddleware (req, res: ServerResponse) {
   let url = req.url
 
   // payload.json request detection
@@ -75,6 +76,10 @@ export async function renderMiddleware (req, res) {
     throw ssrContext.error
   }
 
+  if (ssrContext.redirected || res.writableEnded) {
+    return
+  }
+
   if (ssrContext.nuxt.hooks) {
     await ssrContext.nuxt.hooks.callHook('app:rendered')
   }