fix: prevent error for root shadow elements when restorEl is enabled #8679
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Description
Addresses an issue where activating the
restoreEl
option for an element at the root of a shadow DOM threw a "TypeError: el.parentNode.hasAttribute is not a function". The bug was due to theparentNode
being a shadow root, which does not have thehasAttribute
method.Specific Changes proposed
The fix implemented checks for the existence of the
hasAttribute
method onparentNode
.Requirements Checklist