From e158454e2799e8fa6567a6cd9dfbea0212e12320 Mon Sep 17 00:00:00 2001
From: Eduard Ten <54061864+katsu223@users.noreply.github.com>
Date: Wed, 12 Jan 2022 19:41:29 +0500
Subject: [PATCH] Update backend-integration.md

https://github.com/vitejs/vite/issues/4786
---
 docs/guide/backend-integration.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/guide/backend-integration.md b/docs/guide/backend-integration.md
index a30831e735fff7..8dc172cea3abf7 100644
--- a/docs/guide/backend-integration.md
+++ b/docs/guide/backend-integration.md
@@ -26,7 +26,9 @@ If you need a custom integration, you can follow the steps in this guide to conf
 
    ```js
    // add the beginning of your app entry
-   import 'vite/modulepreload-polyfill'
+   if (import.meta.env.MODE !== 'development') {
+     import('vite/modulepreload-polyfill')
+   }
    ```
 
 2. For development, inject the following in your server's HTML template (substitute `http://localhost:3000` with the local URL Vite is running at):