From d7c16a481d5a5f68c1e970040e01f125b2025378 Mon Sep 17 00:00:00 2001
From: Eduardo Santos de Brito <edu.santos.brito@gmail.com>
Date: Tue, 5 Sep 2023 16:36:21 +0200
Subject: [PATCH] fix: ignore stylesheets fetching style tag in jsdom (#4138)

* fix: ignore stylesheets fetching when is a inline style

* chore: update comment for jsdom issue

Co-authored-by: Steven Lambert <2433219+straker@users.noreply.github.com>

---------

Co-authored-by: Steven Lambert <2433219+straker@users.noreply.github.com>
---
 lib/core/utils/preload-cssom.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/core/utils/preload-cssom.js b/lib/core/utils/preload-cssom.js
index c919d023c4..7f5fab5db6 100644
--- a/lib/core/utils/preload-cssom.js
+++ b/lib/core/utils/preload-cssom.js
@@ -173,7 +173,11 @@ function getStylesheetsFromDocumentFragment(rootNode, convertDataToStylesheet) {
           isLink,
           root: rootNode
         });
-        out.push(stylesheet.sheet);
+        // prevent error in jsdom with style elements not having a `sheet` property
+        // @see https://github.com/jsdom/jsdom/issues/3179
+        if(stylesheet.sheet) {
+          out.push(stylesheet.sheet);
+        }
         return out;
       }, [])
   );