From 51ed05915ae1fcebacd5bcebca76559a2b8e4473 Mon Sep 17 00:00:00 2001
From: Mark Ladyshau <47859603+mrkldshv@users.noreply.github.com>
Date: Thu, 3 Nov 2022 08:35:25 +0100
Subject: [PATCH] perf: improve `multilineCommentsRE` regex (fix #10689)
 (#10751)

---
 packages/vite/src/node/utils.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/utils.ts b/packages/vite/src/node/utils.ts
index d307b5089b9d45..f8aab87a13d96b 100644
--- a/packages/vite/src/node/utils.ts
+++ b/packages/vite/src/node/utils.ts
@@ -912,7 +912,8 @@ export function toUpperCaseDriveLetter(pathName: string): string {
   return pathName.replace(/^\w:/, (letter) => letter.toUpperCase())
 }
 
-export const multilineCommentsRE = /\/\*(.|[\r\n])*?\*\//gm
+// Taken from https://stackoverflow.com/a/36328890
+export const multilineCommentsRE = /\/\*[^*]*\*+(?:[^/*][^*]*\*+)*\//gm
 export const singlelineCommentsRE = /\/\/.*/g
 export const requestQuerySplitRE = /\?(?!.*[\/|\}])/