Add Google Analytics

Specity a Google Analytics Tracking ID in the `app-config.yaml` to enable Google Analytics tracking. ``` app: title: baseUrl: googleAnalyticsTrackingId: UA-000000-0 ``` If the `googleAnalyticsTrackingId` is not supplied, no tracking script is added to the application and no tracking can occur. Includes Helm chart changes to allow overriding the GA Tracking ID.
2020-10-16 13:39:15 +01:00
parent 14f9daf942
commit 71de0d8aee
5 changed files with 23 additions and 0 deletions
@@ -48,6 +48,23 @@
      }
    </style>
    <title><%= app.title %></title>
+
+    <% if (app.googleAnalyticsTrackingId && typeof app.googleAnalyticsTrackingId
+    === 'string') { %>
+    <script
+      async
+      src="https://www.googletagmanager.com/gtag/js?id=<%= app.googleAnalyticsTrackingId %>"
+    ></script>
+    <script>
+      window.dataLayer = window.dataLayer || [];
+      function gtag() {
+        dataLayer.push(arguments);
+      }
+      gtag('js', new Date());
+
+      gtag('config', '<%= app.googleAnalyticsTrackingId %>');
+    </script>
+    <% } %>
  </head>
  <body style="margin: 0;">
    <noscript>You need to enable JavaScript to run this app.</noscript>