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Scope non-scoped (global) registries to a single document #11472

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Merged
merged 1 commit into from
Jul 23, 2025
Merged

Scope non-scoped (global) registries to a single document #11472

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13 changes: 12 additions & 1 deletion source
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Original file line number Diff line number Diff line change
Expand Up @@ -73638,7 +73638,12 @@ dictionary <dfn dictionary>ElementDefinitionOptions</dfn> {

<dt><code data-x=""><var>registry</var>.<span subdfn data-x="dom-CustomElementRegistry-initialize">initialize</span>(<var>root</var>)</code></dt>
<dd>Each <span>inclusive descendant</span> of <var>root</var> with a null registry will have it
updated to this <code>CustomElementRegistry</code> object.</dd>
updated to this <code>CustomElementRegistry</code> object. A
<span>"<code>NotSupportedError</code>"</span> <code>DOMException</code> will be thrown if this
<code>CustomElementRegistry</code> object is not for scoped usage and <var>root</var> is either a
<code>Document</code> node or <var>root</var>'s <span>node document</span>'s <span
data-x="document-custom-element-registry">custom element registry</span> is not this
<code>CustomElementRegistry</code> object.</dd>
</dl>

<p w-nodev>The <dfn
Expand Down Expand Up @@ -73987,6 +73992,12 @@ console.assert(el instanceof SpiderMan); // upgraded!</code></pre>
steps are:</p>

<ol>
<li><p>If <span>this</span>'s <span>is scoped</span> is false and <var>root</var> is either a
<code>Document</code> node or <var>root</var>'s <span>node document</span>'s <span
data-x="document-custom-element-registry">custom element registry</span> is not
<span>this</span>, then throw a <span>"<code>NotSupportedError</code>"</span>
<code>DOMException</code>.</p></li>

<li><p>If <var>root</var> is a <code>Document</code> node whose <span
data-x="document-custom-element-registry">custom element registry</span> is null, then set
<var>root</var>'s <span data-x="document-custom-element-registry">custom element registry</span>
Expand Down