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>
dequelabs · Sep 5, 2023 · d7c16a4 · d7c16a4
1 parent a7e5383
commit d7c16a4
Showing 1 changed file with 5 additions and 1 deletion.
diff --git 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;
       }, [])
   );