From e0463bd64de548e215a31ddf0f2c4bb3ef044e1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BF=A0=20/=20green?= <green@sapphi.red>
Date: Fri, 21 Oct 2022 17:48:50 +0900
Subject: [PATCH] fix(css): strip BOM (fixes #10043) (#10577)

---
 packages/vite/src/node/plugins/css.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index 194259ba0e6c96..bdef18f08980ae 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -43,7 +43,8 @@ import {
   parseRequest,
   processSrcSet,
   removeDirectQuery,
-  requireResolveFromRootWithFallback
+  requireResolveFromRootWithFallback,
+  stripBomTag
 } from '../utils'
 import type { Logger } from '../logger'
 import { addToHTMLProxyTransformResult } from './html'
@@ -353,6 +354,8 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
         return
       }
 
+      css = stripBomTag(css)
+
       const inlined = inlineRE.test(id)
       const modules = cssModulesCache.get(config)!.get(id)