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Update HTTPFetch algorithm to support new SW Handle Fetch returns #1832

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Update HTTPFetch algorithm to support new SW Handle Fetch returns #1832

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19bc200
Update HTTPFetch algorithm to support new SW Handle Fetch returns
quasi-mod May 29, 2025
074f3c0
Fix formatting errors
quasi-mod May 30, 2025
4bc0bf3
Add ordered list to indent an algorithm
quasi-mod May 30, 2025
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69 changes: 43 additions & 26 deletions fetch.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -352,6 +352,9 @@ following <a for=struct>items</a>: [[RESOURCE-TIMING]] [[NAVIGATION-TIMING]]
<dt><dfn export for="fetch timing info">final connection timing info</dfn> (default null)
<dd>Null or a <a for=/>connection timing info</a>.

<dt><dfn export for="fetch timing info">service worker timing info</dfn> (default null)
<dd>Null or a <a for=/>service worker timing info</a>.

<dt><dfn export for="fetch timing info">server-timing headers</dfn> (default « »)
<dd>A <a for=/>list</a> of strings.
<dt><dfn export for="fetch timing info">render-blocking</dfn> (default false)
Expand Down Expand Up @@ -5248,48 +5251,61 @@ these steps:
<li><p>Let <var>serviceWorkerStartTime</var> be the <a for=/>coarsened shared current time</a>
given <var>fetchParams</var>'s <a for="fetch params">cross-origin isolated capability</a>.

<li><p>Set <var>response</var> to the result of invoking <a for=/>handle fetch</a> for
<li><p>Let <var>fetchResponse</var> be the result of invoking <a for=/>handle fetch</a> for
<var>requestForServiceWorker</var>, with <var>fetchParams</var>'s
<a for="fetch params">controller</a> and <var>fetchParams</var>'s
<a for="fetch params">cross-origin isolated capability</a>. [[!HTML]] [[!SW]]

<li>
<p>If <var>response</var> is non-null, then:

<ol>
<li><p>Set <var>fetchParams</var>'s <a for="fetch params">timing info</a>'s
<a for="fetch timing info">final service worker start time</a> to
<var>serviceWorkerStartTime</var>.
<p>If <var>fetchResponse</var> is non-null, then:
<ol>
<li><p>If<var>fetchResponse</var> is <a for=/>response</a>, then:
<ol>
<li><p>Set <var>response</var> to <var>fetchResponse</var>.
<li><p>Set <var>fetchParams</var>'s <a for="fetch params">timing info</a>'s
<a for="fetch timing info">final service worker start time</a> to
<var>serviceWorkerStartTime</var>.
<li><p>Set <var>fetchParams</var>'s <a for="fetch params">timing info</a>'s
<a for="fetch timing info">service worker timing info</a> to
<var>response</var>'s <a for="response">service worker timing info</a>.

<li>If <var>request</var>'s <a for=request>body</a> is non-null, then
<a for=ReadableStream>cancel</a> <var>request</var>'s <a for=request>body</a> with undefined.
<li>If <var>request</var>'s <a for=request>body</a> is non-null, then
<a for=ReadableStream>cancel</a> <var>request</var>'s <a for=request>body</a> with undefined.

<li><p>Set <var>internalResponse</var> to <var>response</var>, if <var>response</var> is not a
<a>filtered response</a>; otherwise to <var>response</var>'s
<a for="filtered response">internal response</a>.
<li><p>Set <var>internalResponse</var> to <var>response</var>, if <var>response</var> is not a
<a>filtered response</a>; otherwise to <var>response</var>'s
<a for="filtered response">internal response</a>.

<li>
<p>If one of the following is true
<li>
<p>If one of the following is true

<ul class=brief>
<li><p><var>response</var>'s <a for=response>type</a> is "<code>error</code>"
<ul class=brief>
<li><p><var>response</var>'s <a for=response>type</a> is "<code>error</code>"

<li><p><var>request</var>'s <a for=request>mode</a> is "<code>same-origin</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>cors</code>"
<li><p><var>request</var>'s <a for=request>mode</a> is "<code>same-origin</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>cors</code>"

<li><p><var>request</var>'s <a for=request>mode</a> is not "<code>no-cors</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>opaque</code>"
<li><p><var>request</var>'s <a for=request>mode</a> is not "<code>no-cors</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>opaque</code>"

<li><var>request</var>'s <a for=request>redirect mode</a> is not "<code>manual</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>opaqueredirect</code>"
<li><var>request</var>'s <a for=request>redirect mode</a> is not "<code>manual</code>" and
<var>response</var>'s <a for=response>type</a> is "<code>opaqueredirect</code>"

<li><var>request</var>'s <a for=request>redirect mode</a> is not "<code>follow</code>" and
<var>response</var>'s <a for=response>URL list</a> has more than one item.
</ul>
<li><var>request</var>'s <a for=request>redirect mode</a> is not "<code>follow</code>" and
<var>response</var>'s <a for=response>URL list</a> has more than one item.
</ul>

<p>then return a <a>network error</a>.
<p>then return a <a>network error</a>.
</ol>
<li><p>If<var>fetchResponse</var> is <a for=/>service worker timing info</a>, then:
<ol>
<li><p>Set <var>fetchParams</var>'s <a for="fetch params">timing info</a>'s
<a for="fetch timing info">service worker timing info</a> to
<var>fetchResponse</var>.
</ol>
</ol>
</ol>
</ol>

<li>
<p>If <var>response</var> is null, then:
Expand Down Expand Up @@ -9220,6 +9236,7 @@ Julian Reschke,
Jussi Kalliokoski,
Jxck,
Kagami Sascha Rosylight,
Keita Suzuki,
Keith Yeung,
Kenji Baheux,
Lachlan Hunt,
Expand Down