From 7d22f3569bef7e16c4a3084f7ce0549bcaed9b8f Mon Sep 17 00:00:00 2001
From: Marcel Kapfer <opensource@mmk2410.org>
Date: Mon, 3 May 2021 19:48:34 +0200
Subject: [PATCH] Don't add script if logged into BE

---
 Classes/Hooks/PageRendererPreProcess.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Classes/Hooks/PageRendererPreProcess.php b/Classes/Hooks/PageRendererPreProcess.php
index 4fa8909..1e1b053 100644
--- a/Classes/Hooks/PageRendererPreProcess.php
+++ b/Classes/Hooks/PageRendererPreProcess.php
@@ -22,10 +22,14 @@ class PageRendererPreProcess
 
     public function addLibrary(): void
     {
+        if (!isset($this->tsfe)) {
+            return;
+        }
+
         $domain = $this->getDomain();
         $plausible = $this->getPlausibleURL();
 
-        if (isset($domain) && isset($plausible)) {
+        if (isset($domain) && isset($plausible) && !$this->tsfe->isBackendUserLoggedIn()) {
             GeneralUtility::makeInstance(AssetCollector::class)
                 ->addJavaScript(
                     'plausible_analytics',