onDocumentDeleted method
Event handler that triggers when a document is deleted in Firestore.
@param documentOrOpts - Options or a string document path. @param handler - Event handler which is run every time a Firestore delete occurs.
Implementation
external JSFunction onDocumentDeleted(
JSAny documentOrOpts,
// (FirestoreAuthEvent<QueryDocumentSnapshot> event) => FutureOr<void>
JSFunction handler,
);