Merge pull request #456 from Michael-F-Bryan/conditional-ga

Conditional Google Analytics

src/theme/index.hbs

@@ -134,7 +134,13 @@
         {{{livereload}}}
 
         {{#if google_analytics}}
+        <!-- Google Analytics Tag -->
         <script>
+            var localAddrs = ["localhost", "127.0.0.1", ""];
+
+            // make sure we don't activate google analytics if the developer is 
+            // inspecting the book locally...
+            if (localAddrs.indexOf(document.location.hostname) === -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)
@@ -142,6 +148,7 @@
 
                 ga('create', '{{google_analytics}}', 'auto');
                 ga('send', 'pageview');
+            }
         </script>
         {{/if}}