From 6419604aa68f07072855a8e0b04646438e8a6f64 Mon Sep 17 00:00:00 2001
From: elijahr2411 <elijah@elijahr.dev>
Date: Tue, 7 Feb 2023 21:43:45 -0500
Subject: [PATCH] fix qmp hang if return is empty

---
 src/QMPClient.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/QMPClient.ts b/src/QMPClient.ts
index 77576ed..0b9c183 100644
--- a/src/QMPClient.ts
+++ b/src/QMPClient.ts
@@ -42,14 +42,14 @@ export default class QMPClient extends EventEmitter {
         var msg;
         try {msg = JSON.parse(msgraw);}
         catch {return;}
-        if (msg.QMP) {
+        if (msg.QMP !== undefined) {
             if (this.sentConnected) {return;};
             await this.execute({ execute: "qmp_capabilities" });
 
             this.emit('connected');
             this.sentConnected = true;
         }
-        if (msg.return) this.emit("qmpreturn", msg.return);
+        if (msg.return !== undefined) this.emit("qmpreturn", msg.return);
     }
 
     private onClose() {