adding virtualHostname dataLayer attribute to GTM, such that localhos…

…t and other filtering can be done on VirtualPageviews.

README.md

@@ -83,7 +83,7 @@ Now kick your GTM into debug mode and test whether it's firing VirtualPageview o
 
 #### 4. Configure Google Analytics/Supported Plugins to pass the virtualPageURL
 
-Within your tag configuration, select 'more settings' and configure your 'fields to set', such that the `location` variable is set with your `virtualPageUrl`.
+Within your tag configuration, select 'more settings' and configure your 'fields to set', such that the `location` variable is set with your `virtualPageUrl`.  We also export a variable `virtualHostname` with the same event, such that you can filter or set up exceptions based on the hostname (e.g. filter out localhost).
 
 ![configure fields to set](https://s3-ap-southeast-2.amazonaws.com/gorillastack-random-public/fields_to_set.png)
 

lib/client/router.js

@@ -3,7 +3,8 @@ Router.onRun(function () {
     gtmBulldozer.bulldoze();
     dataLayer.push({
       event: 'VirtualPageview',
-      virtualPageURL: this.url
+      virtualPageURL: this.url,
+      virtualHostname: window.location.hostname
     });
   }
   this.next();

package.js

@@ -1,6 +1,6 @@
 Package.describe({
   name: 'gorillastack:iron-router-gtm',
-  version: '0.2.0',
+  version: '0.3.0',
   summary: 'Install google tag manager and track pageviews in iron-router',
   git: '[email protected]:GorillaStack/meteor-iron-router-gtm.git',
   documentation: 'README.md'