[TASK] remove condition with regexp and use .if for google analytics …

…ts to improve performance (#322)

Configuration/TypoScript/Library/page.analytics.setupts

@@ -1,12 +1,16 @@
 # Google Analytics track pageview and add script for event tracking
-[globalString = LIT:{$themes.configuration.tracking.ga_account} = /(UA)-[\d-]+/]
-    page.headerData.17890 = TEXT
-    page.headerData.17890.value (
-        <script type="text/javascript">
-            (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', '{$themes.configuration.tracking.ga_account}', '{$themes.configuration.siteDomain}'); ga('send', 'pageview');
-        </script>
-    )
-    page.includeJSFooter {
-        tracking = EXT:theme_t3kit/Resources/Public/JavaScript/EventTracking.js
-    }
-[global]
+page.headerData.17890 = TEXT
+page.headerData.17890 {
+    if.isTrue = {$themes.configuration.tracking.ga_account}
+    value (
+
+    <script type="text/javascript">
+        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)})(window,document,'script','//www.google-analytics.com/analytics.js','ga'); ga('create', '{$themes.configuration.tracking.ga_account}', '{$themes.configuration.siteDomain}'); ga('send', 'pageview');
+    </script>
+)
+}
+
+page.includeJSFooter {
+    tracking = EXT:theme_t3kit/Resources/Public/JavaScript/EventTracking.js
+    tracking.if.isTrue = {$themes.configuration.tracking.ga_account}
+}