From dabc30b5d9929bc6456e34dfeec2db97105fce16 Mon Sep 17 00:00:00 2001
From: Vincent Vanwaelscappel <vincent@cubedesigners.com>
Date: Thu, 20 Aug 2020 11:59:38 +0200
Subject: [PATCH] wip #3839 @0.5

---
 js/libs/fluidbook/fluidbook.stats.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/js/libs/fluidbook/fluidbook.stats.js b/js/libs/fluidbook/fluidbook.stats.js
index 370b3923..7eddfb6e 100644
--- a/js/libs/fluidbook/fluidbook.stats.js
+++ b/js/libs/fluidbook/fluidbook.stats.js
@@ -4,6 +4,7 @@ function FluidbookStats(fluidbook) {
     this.id = this.fluidbook.settings.id;
     this.vid = guid();
     this.relay_url_params = '';
+    this.lastTCHash = '';
     if (this.fluidbook.settings.stats) {
         this.worker = new Worker('js/libs/fluidbook/workers/stats.js');
     }
@@ -54,6 +55,10 @@ FluidbookStats.prototype = {
         $(this.fluidbook).on('fluidbook.hashchange', function (e, data) {
             data.shift();
             var hash = data.join('/');
+            if (hash === this.lastTCHash) {
+                return;
+            }
+            this.lastTCHash = hash;
             if ($this.fluidbook.settings.tagcommander_plan[hash]) {
                 window.tc_vars = {};
                 $.extend(window.tc_vars, $this.fluidbook.settings.tagcommander_default_vars, $this.fluidbook.settings.tagcommander_plan[hash]);
-- 
2.39.5