From 4cb4a12c4c32f5f07cb5cbb36bc335c810e13ecb Mon Sep 17 00:00:00 2001
From: Lauren Hitchon <lauren@hitchon.me>
Date: Wed, 7 Aug 2024 10:27:06 +1000
Subject: [PATCH] fix/ga4-tag (#447)

* Update gulpfile.js
---
 gulpfile.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/gulpfile.js b/gulpfile.js
index d3fb024a..47f49275 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -309,8 +309,13 @@ function renamePathForProd() {
 
 function addAnalytics() {
   return src(`${config.dir.build}/**/*.html`)
-    .pipe(inject.after('<head>', `
-<script async src="https://www.googletagmanager.com/gtag/js?id=G-49T9M12F86"></script>
+  .pipe(inject.after('<head>', `<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+    new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+    'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+    })(window,document,'script','dataLayer','GTM-P2NKBBJZ');</script>
+  `))
+    .pipe(inject.after('<head>', `<script async src="https://www.googletagmanager.com/gtag/js?id=G-49T9M12F86"></script>
 <script>
   window.dataLayer = window.dataLayer || [];
   function gtag(){dataLayer.push(arguments);}
@@ -318,7 +323,10 @@ function addAnalytics() {
 
   gtag('config', 'G-49T9M12F86');
 </script>
-`))
+  `))
+.pipe(inject.after('<body>', `<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-P2NKBBJZ"
+  height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    `))
     .pipe(dest(config.dir.build))
 }
 
