Re: [whatwg/dom] Update element adoption logic for scoped registry (PR #1437)

@ja-y-son commented on this pull request.



> -       <var>document</var>'s <a>effective global custom element registry</a>.
+       <a for=CustomElementRegistry>is scoped</a> is false:
+
+        <ol>
+         <li><p>If <var>inclusiveDescendant</var>'s <a for=tree>parent</a> is null or
+         <var>inclusiveDescendant</var>'s <a for=tree>parent</a> is a {{DocumentFragment}} but not
+         a {{ShadowRoot}}, then set <var>inclusiveDescendant</var>'s
+         <a for=Element>custom element registry</a> to <var>document</var>'s
+         <a for=Document>custom element registry</a>'s
+         <a>effective global custom element registry</a>.
+
+         <li><p>Otherwise, let <var>registry</var> be the result of
+         <a for=/>looking up a custom element registry</a> given <var>inclusiveDescendant</var>'s
+         <a for=tree>parent</a>; set <var>inclusiveDescendant</var>'s
+         <a for=Element>custom element registry</a> to <var>registry</var>'s
+         <a>effective global custom element registry</a>

Updated to break the steps down following the above example.

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Received on Tuesday, 2 December 2025 16:23:35 UTC