From 85299c231ae617abc9c63a91ecd0a83da047c19b Mon Sep 17 00:00:00 2001
From: Matthew Phillips <matthew@skypack.dev>
Date: Thu, 26 May 2022 08:14:11 -0400
Subject: [PATCH] fix: remove empty chunk css imports when using esnext

---
 packages/vite/src/node/plugins/css.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/vite/src/node/plugins/css.ts b/packages/vite/src/node/plugins/css.ts
index 45ff0525b1042d..f04573e2849063 100644
--- a/packages/vite/src/node/plugins/css.ts
+++ b/packages/vite/src/node/plugins/css.ts
@@ -560,7 +560,7 @@ export function cssPostPlugin(config: ResolvedConfig): Plugin {
           .replace(/\./g, '\\.')
         const emptyChunkRE = new RegExp(
           opts.format === 'es' || opts.format === 'system'
-            ? `\\bimport\\s*"[^"]*(?:${emptyChunkFiles})";\n?`
+            ? `\\bimport\\s*["'][^"]*(?:${emptyChunkFiles})["'];\n?`
             : `\\brequire\\(\\s*"[^"]*(?:${emptyChunkFiles})"\\);\n?`,
           'g'
         )