From b77f32bd7e70599681065917573feb1638a8c108 Mon Sep 17 00:00:00 2001
From: uzlopak <aras.abbasi@googlemail.com>
Date: Thu, 21 Mar 2024 02:08:02 +0100
Subject: [PATCH] util: improve `isInsideNodeModules`

PR-URL: https://github.com/nodejs/node/pull/52147
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
---
 lib/internal/util.js | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/internal/util.js b/lib/internal/util.js
index 29e425e86ca67c..1cdceb1b065fb5 100644
--- a/lib/internal/util.js
+++ b/lib/internal/util.js
@@ -35,6 +35,7 @@ const {
   SafeSet,
   SafeWeakMap,
   SafeWeakRef,
+  StringPrototypeIncludes,
   StringPrototypeReplace,
   StringPrototypeToLowerCase,
   StringPrototypeToUpperCase,
@@ -476,7 +477,7 @@ function spliceOne(list, index) {
   list.pop();
 }
 
-const kNodeModulesRE = /^(.*)[\\/]node_modules[\\/]/;
+const kNodeModulesRE = /^(?:.*)[\\/]node_modules[\\/]/;
 
 let getStructuredStack;
 
@@ -506,8 +507,12 @@ function isInsideNodeModules() {
       const filename = frame.getFileName();
       // If a filename does not start with / or contain \,
       // it's likely from Node.js core.
-      if (RegExpPrototypeExec(/^\/|\\/, filename) === null)
+      if (
+        filename[0] !== '/' &&
+        StringPrototypeIncludes(filename, '\\') === false
+      ) {
         continue;
+      }
       return RegExpPrototypeExec(kNodeModulesRE, filename) !== null;
     }
   }