From 0ba1a7159860ca590d2b3c362f90124c23999f47 Mon Sep 17 00:00:00 2001
From: Lanchi <lanadzidic@gmail.com>
Date: Wed, 26 Jun 2024 15:20:58 +0200
Subject: [PATCH] Save event listener reference for deregister

---
 src/master_gateway.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/master_gateway.js b/src/master_gateway.js
index f25a92b..b4808b0 100644
--- a/src/master_gateway.js
+++ b/src/master_gateway.js
@@ -41,6 +41,8 @@ function validateInitialization(config) {
     }
 }
 
+var msgListenerReference = null;
+
 var masterGateway = {
 
     initialized: false,
@@ -55,6 +57,7 @@ var masterGateway = {
 
     eventHandler: null,
 
+
     init: function (config) {
         var slaves = config.slaves || config.products;
         this.initialized = true;
@@ -70,7 +73,8 @@ var masterGateway = {
         }
         this.setAllowedDomains();
         //Set message handler
-        window.addEventListener('message', this.handleMessage.bind(this));
+        msgListenerReference = this.handleMessage.bind(this);
+        window.addEventListener('message', msgListenerReference);
     },
 
     addSlave: function(config) {
@@ -398,7 +402,7 @@ var masterGateway = {
 
         this.clearSubscriptions();
 
-        window.removeEventListener('message', this.handleMessage.bind(this));
+        window.removeEventListener('message', msgListenerReference);
     },
 
     _createCallbackSubscription : function(event, def, idx) {