Updated google analytics to index.hbs and hbs_renderer.rs

src/renderer/html_handlebars/hbs_renderer.rs

@@ -193,6 +193,9 @@ fn make_data(book: &MDBook) -> Result<serde_json::Map<String, serde_json::Value>
         data.insert("livereload".to_owned(), json!(livereload));
     }
 
+    // Add google analytics tag
+    data.insert("google_analytics".to_owned(), json!("INSERT_GA_ID_HERE"));
+
     let mut chapters = vec![];
 
     for item in book.iter() {

src/theme/index.hbs

@@ -111,6 +111,19 @@
         <!-- Livereload script (if served using the cli tool) -->
         {{{livereload}}}
 
+        {{#if google_analytics}}
+        <script>
+        (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','https://www.google-analytics.com/analytics.js','ga');
+
+        ga('create', '{{google_analytics}}', 'auto');
+        ga('send', 'pageview');
+        </script>
+      {{/if}}
+
+
         <script src="highlight.js"></script>
         <script src="book.js"></script>
     </body>