From 44617f2088a5c36eda577cbcb90f0e79210d9b5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20H=C3=A4fliger?= <dh@belevo.ch>
Date: Tue, 24 Jun 2025 16:42:33 +0200
Subject: [PATCH] no message

---
 PV_Visu/module.html | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/PV_Visu/module.html b/PV_Visu/module.html
index 1d239c2..4a44306 100644
--- a/PV_Visu/module.html
+++ b/PV_Visu/module.html
@@ -55,8 +55,14 @@
                 'PV-Anteil: ' + data.value.consPV/100*data.value.cons + ' kWh, ' +
                 'Netz-Anteil: ' + data.value.grid + ' kWh';
         }
-        function handleMessage(msg) { Apply(msg); }
-        if (typeof registerMessageHandler === 'function') {
+        function handleMessage(msg) {
+            try {
+                var data = (typeof msg === 'string') ? JSON.parse(msg) : msg;
+                Apply(data);
+            } catch(e) {
+                console.error('PV_Visu handleMessage error:', e, msg);
+            }
+        }        if (typeof registerMessageHandler === 'function') {
             registerMessageHandler(handleMessage);
         }
     </script>
\ No newline at end of file