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Add abortSignal.addAbortCallback #1425

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21 changes: 21 additions & 0 deletions dom.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1926,6 +1926,7 @@ interface AbortSignal : EventTarget {
readonly attribute boolean aborted;
readonly attribute any reason;
undefined throwIfAborted();
undefined addAbortCallback(VoidFunction callback);

attribute EventHandler onabort;
};</pre>
Expand Down Expand Up @@ -2037,6 +2038,26 @@ is [=AbortSignal/aborted=]; otherwise false.
<p>The <dfn method for=AbortSignal>throwIfAborted()</dfn> method steps are to throw <a>this</a>'s
<a for=AbortSignal>abort reason</a>, if <a>this</a> is [=AbortSignal/aborted=].

<div algorithm>
<p>The <dfn method for=AbortSignal><code>addAbortCallback(<var>callback</var>)</code></dfn> method steps are:

<ol>
<li><p>If <a>this</a> is [=AbortSignal/aborted=], then:
<ol>
<li><p><a spec=webidl>invoke</a> <var>callback</var> with « », and "<code>report</code>".

<li><p>Return.
</ol>


<li>
<p>[=AbortSignal/Add|Add the following abort steps=] to [=this=]:</p>
<ol>
<li><p><a spec=webidl>invoke</a> <var>callback</var> with « », and "<code>report</code>".
</ol>
</ol>
</div>

<div class=example id=example-throwifaborted>
<p>This method is primarily useful for when functions accepting {{AbortSignal}}s want to throw (or
return a rejected promise) at specific checkpoints, instead of passing along the {{AbortSignal}}
Expand Down