From 5c7b06ff86f85637683f65edabf2b953a822fcb2 Mon Sep 17 00:00:00 2001
From: Gilles Grandou <gilles@grandou.net>
Date: Fri, 10 May 2024 18:50:33 +0200
Subject: [PATCH] fixup empty MQTT message

---
 pool.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pool.js b/pool.js
index 355ab3d..73198b8 100644
--- a/pool.js
+++ b/pool.js
@@ -295,7 +295,10 @@ MQTT.subscribe(
   "zigbee2mqtt/Piscine",
   function (topic, msg) {
     status.tick_mqtt++;
-    print("[POOL] mqtt", topic);
+    print("[POOL] mqtt", topic, msg);
+    if (msg == "") {
+      return;
+    }
     let obj = JSON.parse(msg);
     if (obj.temperature === undefined) {
       return;