use partytown to offload gtag

config/_default/config.yaml

@@ -9,10 +9,6 @@ enableRobotsTXT: true
 paginate: 10
 summaryLength: 0
 
-services:
-  googleAnalytics:
-    ID: G-D3VB7YFCTH
-
 outputs:
   home:
     - HTML

config/_default/module.yaml

@@ -1,3 +1,14 @@
 imports:
   - path: github.com/jpanther/congo/v2
   - path: github.com/remvn/hugo-vmoji
+
+mounts:
+  - source: assets
+    target: assets
+  - source: node_modules/@builder.io/partytown/lib/partytown.js
+    target: assets/js/partytown.js
+  - source: static
+    target: static
+  - source: node_modules/@builder.io/partytown/lib
+    target: static/~partytown
+    excludeFiles: debug

config/_default/params.yaml

@@ -15,6 +15,8 @@ enableImageLazyLoading: true
 enableImageWebp: true
 fingerprintAlgorithm: sha256
 
+gtmID: "G-D3VB7YFCTH"
+
 images:
   - images/gopher-feature.jpg
   - images/avatar-cover.jpg

layouts/partials/analytics.html

@@ -0,0 +1,25 @@
+<!-- Partytown Setup -->
+<script type="text/javascript">
+  partytown = {
+    forward: ["dataLayer.push"],
+  };
+</script>
+<script type="text/javascript">
+  {{ $partytownJs := resources.Get "js/partytown.js" | js.Build | minify }}
+  {{- $partytownJs.Content | safeJS }}
+</script>
+<!-- End Partytown -->
+
+<!-- Google tag (gtag.js) -->
+<script
+  async
+  src="https://www.googletagmanager.com/gtag/js?id=G-D3VB7YFCTH"
+></script>
+
+<script type="text/partytown">
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', "{{ .Site.Params.gtmID }}");
+</script>

package.hugo.json

@@ -0,0 +1,10 @@
+{
+    "name": "hugo-blog",
+    "version": "1.0.0",
+    "license": "ISC",
+    "devDependencies": {
+        "@builder.io/partytown": "^0.10.2",
+        "prettier": "^3.3.3",
+        "prettier-plugin-go-template": "^0.0.15"
+    }
+}

package.json

@@ -1,9 +1,19 @@
 {
-    "name": "blog",
-    "version": "1.0.0",
-    "license": "ISC",
+  "comments": {
+    "dependencies": {},
     "devDependencies": {
-        "prettier": "^3.3.3",
-        "prettier-plugin-go-template": "^0.0.15"
+      "@builder.io/partytown": "project",
+      "prettier": "project",
+      "prettier-plugin-go-template": "project"
     }
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "@builder.io/partytown": "^0.10.2",
+    "prettier": "^3.3.3",
+    "prettier-plugin-go-template": "^0.0.15"
+  },
+  "license": "ISC",
+  "name": "hugo-blog",
+  "version": "1.0.0"
 }