Correct ServiceWorkerRegistration's update() Web IDL

yoshisatoyanagisawa · web-flow · commit 0a2f29f18c72 · 2025-05-01T08:42:08.000+02:00
As mentioned in #1472, https://w3c.github.io/ServiceWorker/#resolve-job-promise-algorithm is written to return Promise<ServiceWorkerRegistration>. Also, according to https://wpt.fyi/results/service-workers/service-worker/update-result.https.html?label=experimental&label=master&aligned, all implementations are actually returning a ServiceWorkerRegistration.
diff --git a/docs/index.bs b/docs/index.bs
@@ -556,7 +556,7 @@ spec: storage; urlPrefix: https://storage.spec.whatwg.org/
         readonly attribute USVString scope;
         readonly attribute ServiceWorkerUpdateViaCache updateViaCache;
 
-        [NewObject] Promise&lt;undefined&gt; update();
+        [NewObject] Promise&lt;ServiceWorkerRegistration&gt; update();
         [NewObject] Promise&lt;boolean&gt; unregister();
 
         // event
