From e151ccd10e8b3bc3497c8b2ac0fd74b11c178572 Mon Sep 17 00:00:00 2001
From: SukkaW <isukkaw@gmail.com>
Date: Fri, 19 Aug 2022 01:20:36 +0800
Subject: [PATCH] fix(#39706): add avif support for node serve static

---
 packages/next/server/serve-static.ts | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/packages/next/server/serve-static.ts b/packages/next/server/serve-static.ts
index 7c2a441c6b75..c51236cf5f08 100644
--- a/packages/next/server/serve-static.ts
+++ b/packages/next/server/serve-static.ts
@@ -1,6 +1,12 @@
 import { IncomingMessage, ServerResponse } from 'http'
 import send from 'next/dist/compiled/send'
 
+// TODO: Remove this once "send" has updated the "mime", or next.js use custom version of "mime"
+// Although "mime" has already add avif in version 2.4.7, "send" is still using mime@1.6.0
+send.mime.define({
+  'image/avif': ['avif'],
+})
+
 export function serveStatic(
   req: IncomingMessage,
   res: ServerResponse,
@@ -21,10 +27,6 @@ export function serveStatic(
 }
 
 export function getContentType(extWithoutDot: string): string | null {
-  if (extWithoutDot === 'avif') {
-    // TODO: update "mime" package
-    return 'image/avif'
-  }
   const { mime } = send
   if ('getType' in mime) {
     // 2.0
@@ -35,10 +37,6 @@ export function getContentType(extWithoutDot: string): string | null {
 }
 
 export function getExtension(contentType: string): string | null {
-  if (contentType === 'image/avif') {
-    // TODO: update "mime" package
-    return 'avif'
-  }
   const { mime } = send
   if ('getExtension' in mime) {
     // 2.0