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Add Stale While Revalidate Handling #853

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Merged
merged 6 commits into from
May 3, 2019
Merged

Add Stale While Revalidate Handling #853

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e8e75dd
Add Async Stale While Revalidate Handling
dtapuska Dec 21, 2018
1847576
formatting nits
annevk Apr 5, 2019
1cef013
Link current age
dtapuska Apr 12, 2019
e90e382
more tidying
annevk Apr 15, 2019
70532d3
Add condition for non-null client
dtapuska Apr 18, 2019
e17297b
nit
annevk May 3, 2019
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18 changes: 9 additions & 9 deletions fetch.bs
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Expand Up @@ -1882,13 +1882,13 @@ is a <a>filtered response</a> whose
</ol>

<p>A <dfn id=concept-fresh-response>fresh response</dfn> is a <a for=/>response</a> whose
<a href=https://tools.ietf.org/html/rfc7234#section-4.2.3>current age</a> is
within its <a href=https://tools.ietf.org/html/rfc7234#section-4.2.1>freshness lifetime</a>.
<a href=https://tools.ietf.org/html/rfc7234#section-4.2.3>current age</a> is within its
<a href=https://tools.ietf.org/html/rfc7234#section-4.2.1>freshness lifetime</a>.

<p>A <dfn id=concept-stale-while-revalidate-response>stale-while-revalidate response</dfn> is a
<a for=/>response</a> that is not a <a>fresh response</a>, and its
<a href=https://tools.ietf.org/html/rfc7234#section-4.2.3>current age</a> is within
the <a href=https://tools.ietf.org/html/rfc5861#section-3>stale-while-revalidate lifetime</a>.
<a for=/>response</a> that is not a <a>fresh response</a> and whose
<a href=https://tools.ietf.org/html/rfc7234#section-4.2.3>current age</a> is within the
<a href=https://tools.ietf.org/html/rfc5861#section-3>stale-while-revalidate lifetime</a>.

<p>A <dfn export id=concept-stale-response>stale response</dfn> is a <a for=/>response</a> is a
<a for=/>response</a> that is not a <a>fresh response</a> or a
Expand Down Expand Up @@ -4247,10 +4247,10 @@ Range Requests</cite>. [[HTTP-RANGE]] However, this is not widely supported by b
<p><a>In parallel</a>, perform <a for=main>main fetch</a> using
<var>revalidateRequest</var>.

<p class=note>Note the parallel fetch is only meant to update the state of the HTTP cache
and the response will be unused until another cache access. The stale response will be used
as the response to current request. The parallel fetch will be issued in the context of
the browsing context so if it is destroyed the request will be aborted.
<p class=note>This fetch is only meant to update the state of the HTTP cache and the
response will be unused until another cache access. The stale response will be used as the
response to current request. This fetch is issued in the context of a client so if it goes
away the request will be terminated.
</ol>

<li>
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