Perform full reconnect on leave during reconnect (#1001)

* Perform full reconnect on leave during reconnect

* Create slimy-goats-glow.md

.changeset/slimy-goats-glow.md

@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Perform full reconnect on leave during reconnect

src/api/SignalClient.ts

@@ -363,7 +363,12 @@ export class SignalClient {
                 shouldProcessMessage = true;
               }
             } else if (this.isEstablishingConnection && resp.message.case === 'leave') {
-              reject(new ConnectionError('Received leave request while trying to (re)connect'));
+              reject(
+                new ConnectionError(
+                  'Received leave request while trying to (re)connect',
+                  ConnectionErrorReason.LeaveRequest,
+                ),
+              );
             } else if (!opts.reconnect) {
               // non-reconnect case, should receive join response first
               reject(

src/room/RTCEngine.ts

@@ -1004,6 +1004,9 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
       if (error instanceof ConnectionError && error.reason === ConnectionErrorReason.NotAllowed) {
         throw new UnexpectedConnectionState('could not reconnect, token might be expired');
       }
+      if (error instanceof ConnectionError && error.reason === ConnectionErrorReason.LeaveRequest) {
+        throw error;
+      }
       throw new SignalReconnectError(message);
     }
     this.emit(EngineEvent.SignalResumed);

src/room/errors.ts

@@ -12,6 +12,7 @@ export const enum ConnectionErrorReason {
   ServerUnreachable,
   InternalError,
   Cancelled,
+  LeaveRequest,
 }
 
 export class ConnectionError extends LivekitError {