fix(ga): google analytics never active on localhost

Author: rbarilani

layout/google_analytics.ejs

@@ -1,10 +1,12 @@
 <% if (config.theme_config.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','//www.google-analytics.com/analytics.js','ga');
-	ga('create', '<%= config.theme_config.google_analytics %>', 'auto');
-	ga('send', 'pageview');
+  if (window.location.hostname !== 'localhost' && window.location.hostname !== '127.0.0.1') {
+    (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', '<%= config.theme_config.google_analytics %>', 'auto');
+    ga('send', 'pageview');
+  }
 </script>
 <% } %>