From 12ca7391149a24c8e540a374556bee71624213f5 Mon Sep 17 00:00:00 2001
From: Garfonso <garfonso@mobo.info>
Date: Sat, 10 Feb 2024 09:18:51 +0100
Subject: [PATCH] light on/off: fix timing / prevent unnecessary updates

---
 lib/converters/light.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/converters/light.js b/lib/converters/light.js
index ef709992c..0551e2102 100644
--- a/lib/converters/light.js
+++ b/lib/converters/light.js
@@ -45,6 +45,7 @@ const SUPPORT_EFFECT = 4;
 
 async function readAttributesOnSwitchOn(entity) {
     const attributeValues = {};
+    let updated = false;
     for (const attr of Object.values(entity.context.ATTRIBUTES)) {
         const id = attr.getId || attr.setId;
         if (id) {
@@ -62,12 +63,15 @@ async function readAttributesOnSwitchOn(entity) {
         for (const [name, attribute] of Object.entries(attributeValues)) {
             if (entity.attributes[name] === null) { //if not updated, set value read:
                 entity.attributes[name] = attribute;
+                updated = true;
             }
         }
     }
 
     //now tell frontend about update:
-    adapterData.server.updateEntityInFrontend(entity);
+    if (updated) {
+        adapterData.server.updateEntityInFrontend(entity);
+    }
 }
 
 function _lightAdvancedAddState(states, objects, entity) {