From 61b4b9209c2c64b32c8d48b1761c3b9384d411ea Mon Sep 17 00:00:00 2001
From: Yeting Li <liyt@ios.ac.cn>
Date: Fri, 26 Aug 2022 01:30:49 +0800
Subject: [PATCH] fix the regular expression for function `clean` in `utils.js`
 (#4770)

---
 lib/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/utils.js b/lib/utils.js
index 9db34cb1ad..7e1d566819 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -76,7 +76,7 @@ exports.clean = function (str) {
     .replace(/^\uFEFF/, '')
     // (traditional)->  space/name     parameters    body     (lambda)-> parameters       body   multi-statement/single          keep body content
     .replace(
-      /^function(?:\s*|\s+[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\s*\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\s*\}|((?:.|\n)*))$/,
+      /^function(?:\s*|\s[^(]*)\([^)]*\)\s*\{((?:.|\n)*?)\}$|^\([^)]*\)\s*=>\s*(?:\{((?:.|\n)*?)\}|((?:.|\n)*))$/,
       '$1$2$3'
     );