Merge pull request scala-js#495 from scala-js/topic/fetch-event-extendable

FetchEvent extends ExtendableEvent

Author: japgolly

api-reports/2_12.txt

@@ -990,6 +990,7 @@ experimental/serviceworkers/FetchEvent[SC] def replacesClientId: String
 experimental/serviceworkers/FetchEvent[SC] def request: Request
 experimental/serviceworkers/FetchEvent[SC] def respondWith(promisedResponse: Response | js.Promise[Response]): Unit
 experimental/serviceworkers/FetchEvent[SC] def resultingClientId: String
+experimental/serviceworkers/FetchEvent[SC] def waitUntil(promise: js.Promise[Any]): Unit
 experimental/serviceworkers/FetchEventInit[JT] var bubbles: js.UndefOr[Boolean]
 experimental/serviceworkers/FetchEventInit[JT] var cancelable: js.UndefOr[Boolean]
 experimental/serviceworkers/FetchEventInit[JT] var clientId: js.UndefOr[String]

api-reports/2_13.txt

@@ -990,6 +990,7 @@ experimental/serviceworkers/FetchEvent[SC] def replacesClientId: String
 experimental/serviceworkers/FetchEvent[SC] def request: Request
 experimental/serviceworkers/FetchEvent[SC] def respondWith(promisedResponse: Response | js.Promise[Response]): Unit
 experimental/serviceworkers/FetchEvent[SC] def resultingClientId: String
+experimental/serviceworkers/FetchEvent[SC] def waitUntil(promise: js.Promise[Any]): Unit
 experimental/serviceworkers/FetchEventInit[JT] var bubbles: js.UndefOr[Boolean]
 experimental/serviceworkers/FetchEventInit[JT] var cancelable: js.UndefOr[Boolean]
 experimental/serviceworkers/FetchEventInit[JT] var clientId: js.UndefOr[String]

src/main/scala/org/scalajs/dom/experimental/serviceworkers/ServiceWorkers.scala

@@ -81,7 +81,7 @@ trait CanvasProxy extends js.Any {
  def setContext(context: RenderingContext): Unit = js.native
 }
 
-trait FetchEventInit extends EventInit {
+trait FetchEventInit extends ExtendableEventInit {
  var isReload: js.UndefOr[Boolean] = js.undefined
  var request: js.UndefOr[Request] = js.undefined
  var clientId: js.UndefOr[String] = js.undefined
@@ -96,7 +96,7 @@ trait FetchEventInit extends EventInit {
 @js.native
 @JSGlobal
 class FetchEvent(typeArg: String, init: js.UndefOr[FetchEventInit])
- extends Event(typeArg, init) {
+ extends ExtendableEvent(typeArg, init) {
 
  /**
  * Boolean that is true if the event was dispatched with the user's