Wait for disconnect response on disconnect (#562)

* Wait for disconnect response on disconnect

* Create serious-pumas-join.md

* fix type

Author: lukasIO

.changeset/serious-pumas-join.md

@@ -0,0 +1,5 @@
+---
+"@livekit/rtc-node": patch
+---
+
+Wait for disconnect response on disconnect

packages/livekit-rtc/src/room.ts

@@ -21,7 +21,7 @@ import { LocalParticipant, RemoteParticipant } from './participant.js';
 import { EncryptionState, EncryptionType } from './proto/e2ee_pb.js';
 import type { FfiEvent } from './proto/ffi_pb.js';
 import type { DisconnectReason, OwnedParticipant } from './proto/participant_pb.js';
-import type { DataStream_Trailer } from './proto/room_pb.js';
+import type { DataStream_Trailer, DisconnectCallback } from './proto/room_pb.js';
 import {
   type ConnectCallback,
   ConnectRequest,
@@ -248,7 +248,7 @@ export class Room extends (EventEmitter as new () => TypedEmitter<RoomCallbacks>
       return;
     }
 
-    FfiClient.instance.request<DisconnectResponse>({
+    const res = FfiClient.instance.request<DisconnectResponse>({
       message: {
         case: 'disconnect',
         value: {
@@ -257,6 +257,10 @@ export class Room extends (EventEmitter as new () => TypedEmitter<RoomCallbacks>
       },
     });
 
+    await FfiClient.instance.waitFor<DisconnectCallback>((ev: FfiEvent) => {
+      return ev.message.case == 'connect' && ev.message.value.asyncId == res.asyncId;
+    });
+
     FfiClient.instance.removeListener(FfiClientEvent.FfiEvent, this.onFfiEvent);
     this.removeAllListeners();
   }