From f581f6da94d011684661d48c9557d5aaf0d13c19 Mon Sep 17 00:00:00 2001
From: Brian White <mscdex@mscdex.net>
Date: Mon, 16 Aug 2021 09:45:55 -0400
Subject: [PATCH] url: fix performance regression
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PR-URL: https://github.com/nodejs/node/pull/39778
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
---
 lib/internal/url.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/url.js b/lib/internal/url.js
index a5e3bb96908e2e..af65358fc4f72b 100644
--- a/lib/internal/url.js
+++ b/lib/internal/url.js
@@ -617,7 +617,7 @@ function onParseHashComplete(flags, protocol, username, password,
 }
 
 function isURLThis(self) {
-  return self?.[context] !== undefined;
+  return (self !== undefined && self !== null && self[context] !== undefined);
 }
 
 class URL {