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Add reference target to shadow root #1353

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Add reference target to shadow root #1353

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e06f903
Add reference target to shadow root
dandclark Feb 4, 2025
9ce89ff
Merge branch 'main' into dandclark/reference-target
dandclark May 6, 2025
496ccae
Make order consistent with other ShadowRoot properties
dandclark May 6, 2025
64676d6
Add type declaration for ShadowRoot reference target
dandclark May 6, 2025
ec59294
Propagate events into the event's source's tree where appropriate.
alice Jun 3, 2025
94f706b
Merge remote-tracking branch 'origin' into dandclark/reference-target
dandclark Jan 29, 2026
9a82ae0
Add missing definition for ShadowRoot.referenceTarget getter/setter
dandclark Jan 29, 2026
d31bf7d
Merge branch 'alice-event-source-propagation' into dandclark/referenc…
dandclark May 19, 2026
bb4d558
Merge branch 'main' into dandclark/reference-target
dandclark May 26, 2026
c6fbd2c
Misc style/formatting/typo fixups
dandclark May 26, 2026
6f1bbe2
Remove one more closing </p>
dandclark May 26, 2026
92aaa5a
Revert changes to shadow root's get the parent
dandclark Jun 2, 2026
fb3bfb9
Remove event source concept
dandclark Jun 2, 2026
c2bfb97
Apply current conventions for optional named parameters to fire an ev…
dandclark Jun 8, 2026
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16 changes: 13 additions & 3 deletions dom.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -4796,7 +4796,8 @@ and an optional <a for=/>document</a> <dfn export for="clone a node"><var>docume
<a for=Element>shadow root</a>'s <a for=ShadowRoot>mode</a>, true, <var>node</var>'s
<a for=Element>shadow root</a>'s <a for=ShadowRoot>serializable</a>, <var>node</var>'s
<a for=Element>shadow root</a>'s <a for=ShadowRoot>delegates focus</a>, <var>node</var>'s
<a for=Element>shadow root</a>'s <a for=ShadowRoot>slot assignment</a>, and
<a for=Element>shadow root</a>'s <a for=ShadowRoot>slot assignment</a>, <var>node</var>'s
<a for=Element>shadow root</a>'s <a for=ShadowRoot>reference target</a>, and
<var>shadowRootRegistry</var>.

<li><p>Set <var>copy</var>'s <a for=Element>shadow root</a>'s <a for=ShadowRoot>declarative</a>
Expand Down Expand Up @@ -6348,6 +6349,7 @@ interface ShadowRoot : DocumentFragment {
readonly attribute boolean clonable;
readonly attribute boolean serializable;
readonly attribute Element host;
attribute DOMString? referenceTarget;
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attribute EventHandler onslotchange;
};
Expand Down Expand Up @@ -6385,6 +6387,9 @@ It is initially set to false.</p>
<p><a for=/>Shadow roots</a> have an associated <dfn for=ShadowRoot>serializable</dfn> (a boolean).
It is initially set to false.</p>

<p><a for=/>Shadow roots</a> have an associated <dfn export for=ShadowRoot>reference target</dfn>
(null or a string). It is initially set to null.</p>

<p><a for=/>Shadow roots</a> have an associated <dfn for=ShadowRoot>custom element registry</dfn>
(null or a {{CustomElementRegistry}} object). It is initially null.</p>

Expand Down Expand Up @@ -6557,6 +6562,7 @@ dictionary ShadowRootInit {
SlotAssignmentMode slotAssignment = "named";
boolean clonable = false;
boolean serializable = false;
DOMString? referenceTarget = null;
CustomElementRegistry customElementRegistry;
};
</pre>
Expand Down Expand Up @@ -7464,7 +7470,8 @@ are:
<var>init</var>["{{ShadowRootInit/mode}}"], <var>init</var>["{{ShadowRootInit/clonable}}"],
<var>init</var>["{{ShadowRootInit/serializable}}"],
<var>init</var>["{{ShadowRootInit/delegatesFocus}}"],
<var>init</var>["{{ShadowRootInit/slotAssignment}}"], and <var>registry</var>.
<var>init</var>["{{ShadowRootInit/slotAssignment}}"], and
<var>init</var>["{{ShadowRootInit/referenceTarget}}"], and <var>registry</var>.
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<li><p>Return <a>this</a>'s <a for=Element>shadow root</a>.
</ol>
Expand All @@ -7474,7 +7481,8 @@ are:
<p>To <dfn id=concept-attach-a-shadow-root>attach a shadow root</dfn>, given an
<a for=/>element</a> <var>element</var>, a string <var>mode</var>, a boolean <var>clonable</var>,
a boolean <var>serializable</var>, a boolean <var>delegatesFocus</var>, a string
<var>slotAssignment</var>, and null or a {{CustomElementRegistry}} object <var>registry</var>:
<var>slotAssignment</var>, null or a string <var>referenceTarget</var>, and null or a
{{CustomElementRegistry}} object <var>registry</var>:

<ol>
<li><p>If <var>element</var>'s <a for=Element>namespace</a> is not the <a>HTML namespace</a>,
Expand Down Expand Up @@ -7548,6 +7556,8 @@ a boolean <var>serializable</var>, a boolean <var>delegatesFocus</var>, a string

<li><p>Set <var>shadow</var>'s <a for=ShadowRoot>serializable</a> to <var>serializable</var>.

<li><p>Set <var>shadow</var>'s <a for=ShadowRoot>reference target</a> to <var>referenceTarget</var>.

<li><p>Set <var>shadow</var>'s <a for=ShadowRoot>custom element registry</a> to
<var>registry</var>.

Expand Down