[type bug] fontfaces property is missing from loadingdone event object

[TechQuery]

Configuration Check

My compilation target is ES2015 and my lib is ES2022 & `DOM.

Missing / Incorrect Definition

Request to replace the event type of onloadingdone handler from Event to FontFaceSetLoadEvent, which has been defined in the same module.

TypeScript/lib/lib.dom.d.ts

Line 5530 in eb9252e

onloadingdone: ((this: FontFaceSet, ev: Event) => any) | null;

TypeScript/lib/lib.dom.d.ts

Lines 5548 to 5550 in eb9252e

	interface FontFaceSetLoadEvent extends Event {
	readonly fontfaces: ReadonlyArray<FontFace>;
	}

Sample Code

interface FontFaceSet extends EventTarget {
-    onloadingdone: ((this: FontFaceSet, ev: Event) => any) | null;
+    onloadingdone: ((this: FontFaceSet, ev: FontFaceSetLoadEvent) => any) | null;
}

Documentation Link

https://w3c.github.io/csswg-drafts/css-font-loading/#FontFaceSet-events