Build a bridge for "cookie default path"

annevk · annevk · commit 087351ad1453 · 2025-08-12T18:17:23.000+02:00
This is needed to properly solve whatwg/cookiestore#242. httpwg/http-extensions#3194 has been filed to eventually document this dependency.
diff --git a/fetch.bs b/fetch.bs
@@ -58,6 +58,7 @@ urlPrefix:https://tc39.es/ecma262/#;type:dfn;spec:ecma-262
     url:current-realm;text:current realm
 
 urlPrefix:https://datatracker.ietf.org/doc/html/draft-ietf-httpbis-layered-cookies#;type:dfn;spec:cookies
+    url:name-cookie-default-path;text:cookie default path
     url:name-cookie-store-and-limits;text:cookie store
     url:name-parse-and-store-a-cookie;text:parse and store a cookie
     url:name-parse-a-cookie;text:parse a cookie
@@ -3501,6 +3502,20 @@ them conveniently here. [[COOKIES]].
 </ol>
 </div>
 
+<div algorithm>
+<p>To obtain a <dfn export>serialized cookie default path</dfn> given a <a for=/>URL</a>
+<var>url</var>:
+
+<ol>
+ <li><p>Let <var>cloneURL</var> be a clone of <var>url</var>.
+
+ <li><p>Set <var>cloneURL</var>'s <a for=url>path</a> to the <a>cookie default path</a> of
+ <var>cloneURL</var>'s <a for=url>path</a>.
+
+ <li><p>Return the <a lt="URL path serializer">URL path serialization</a> of <var>cloneURL</var>.
+</ol>
+</div>
+
 
 <h3 id=origin-header>`<code>Origin</code>` header</h3>
 
