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Expose NavigationPrecommitController.addHandler #11984

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Expose NavigationPrecommitController.addHandler #11984

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Expose NavigationPrecommitController.addHandler
noamr Dec 3, 2025
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noamr Dec 3, 2025
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Original file line number Diff line number Diff line change
Expand Up @@ -100985,6 +100985,7 @@ callback <dfn callback>NavigationInterceptHandler</dfn> = <span data-x="idl-Prom
<pre><code class="idl">[Exposed=Window]
interface <dfn interface>NavigationPrecommitController</dfn> {
undefined <span data-x="dom-NavigationPrecommitController-redirect">redirect</span>(USVString url, optional <span>NavigationNavigateOptions</span> options = {});
undefined <span data-x="dom-NavigationPrecommitController-addHandler">addHandler</span>(<span>NavigationInterceptHandler</span> handler);
};

callback <dfn callback>NavigationPrecommitHandler</dfn> = <span data-x="idl-Promise">Promise</span>&lt;undefined> (<span>NavigationPrecommitController</span> controller);</code></pre>
Expand Down Expand Up @@ -101013,7 +101014,13 @@ callback <dfn callback>NavigationInterceptHandler</dfn> = <span data-x="idl-Prom
<p>If the current <code>Document</code> <span data-x="can have its URL rewritten">cannot have
its URL rewritten</span> to <var>url</var>, a <span>"<code>SecurityError</code>"</span>
<code>DOMException</code> will be thrown.</p>
</dd>
</dd>

<dt><code data-x=""><var>precommitController</var>.<span subdfn data-x="dom-NavigationPrecommitController-addHandler">addHandler</span>(<span>NavigationInterceptHandler</span> <var>handler</var>)</code></dt>
<dd><p>Adds a <span>NavigationInterceptHandler</span> callback that would be called once the navigation is committed,
as if this method was passed to the <code
data-x="dom-NavigateEvent-intercept">navigateEvent.intercept()</code> method as a <code
data-x="dom-NavigationInterceptOptions-handler">handler</code>.</p></dd>
</dl>

<div w-nodev>
Expand Down Expand Up @@ -101107,6 +101114,33 @@ callback <dfn callback>NavigationInterceptHandler</dfn> = <span data-x="idl-Prom
</ol>
</div>

<div algorithm>
<p>The <dfn method for="NavigationPrecommitController"><code
data-x="dom-NavigationPrecommitController-addHandler">addHandler(<var>handler</var>,)</code></dfn>
method steps are:</p>

<ol>
<li><p><span>Assert</span>: <span>this</span>'s <span
data-x="concept-NavigationPrecommitController-event">event</span>'s <span
data-x="concept-NavigateEvent-interception-state">interception state</span> is not "<code
data-x="">none</code>".</p></li>

<li><p><span data-x="NavigateEvent-perform-shared-checks">Perform shared checks</span> given
<span>this</span>'s <span
data-x="concept-NavigationPrecommitController-event">event</span>.</p></li>

<li><p>If <span>this</span>'s <span
data-x="concept-NavigationPrecommitController-event">event</span>'s <span
data-x="concept-NavigateEvent-interception-state">interception state</span> is not "<code
data-x="">intercepted</code>", then throw an <span>"<code>InvalidStateError</code>"</span>
<code>DOMException</code>.</p></li>

<li><p><span data-x="list append">Append</span> <var>handler</var> to <span>this</span>'s <span
data-x="concept-NavigationPrecommitController-event">event</span>'s <span
data-x="concept-NavigateEvent-navigation-handler-list">navigation handler list</span>.</p></li>
</ol>
</div>


</div>

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