Reinstated line to initialise async queue in the invocation tag

Author: fblundun

Gruntfile.js

@@ -136,7 +136,7 @@ module.exports = function(grunt) {
       },
       tag: {
         options: {
-          linebreak: 60
+          linebreak: 80
         },
         files: [
           {

examples/web/async-medium.html

@@ -23,7 +23,7 @@
         // Load sp.js
         ;(function(p,l,o,w,i,n,g){if(!p[i]){p.GlobalSnowplowNamespace=p.GlobalSnowplowNamespace||[];
         p.GlobalSnowplowNamespace.push(i);p[i]=function(){(p[i].q=p[i].q||[]).push(arguments)
-        };n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
+        };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
         n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","../../dist/snowplow.js","new_name_here"));
 
         window.new_name_here('newTracker', 'cf', 'd3rkrsqld9gmqf.cloudfront.net', {

examples/web/async-small.html

@@ -23,7 +23,7 @@
         // Load sp.js
         ;(function(p,l,o,w,i,n,g){if(!p[i]){p.GlobalSnowplowNamespace=p.GlobalSnowplowNamespace||[];
         p.GlobalSnowplowNamespace.push(i);p[i]=function(){(p[i].q=p[i].q||[]).push(arguments)
-        };n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
+        };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
         n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","../../dist/snowplow.js","snowplow"));
 
         window.snowplow('newTracker', 'cf', 'd3rkrsqld9gmqf.cloudfront.net', { // Initialise a tracker

tags/tag.js

@@ -55,11 +55,14 @@
 		// Add the new Snowplow namespace to the global array so sp.js can find it
 		p['GlobalSnowplowNamespace'].push(i);
 
-		// Create the asynchronous queue
+		// Create the Snowplow function
 		p[i] = function() {
 			(p[i].q = p[i].q || []).push(arguments);
 		};
 
+		// Initialise the asynchronous queue
+		p[i].q = p[i].q || [];
+
 		// Create a new script element
 		n = l.createElement(o);