Jump To …

analytics.coffee

Template
(c) 2012 Alasdair Mercer
Freely distributable under the MIT license.
For all details and documentation:
http://neocotic.com/template

 
             		           
                               
                            
                                
               
Private constants
             		                            
             		           
                               
                            
                                
               
Code for Templates analytics account.
             		                            
ACCOUNT = 'UA-28812528-1'
             		           
                               
                            
                                
               
Source URL of the analytics script.
             		                            
SOURCE  = 'https://ssl.google-analytics.com/ga.js'
             		           
                               
                            
                                
               
Analytics setup
             		                            
analytics = window.analytics = new class Analytics extends utils.Class
             		           
                               
                            
                                
               
Public functions
             		                            
             		           
                               
                            
                                
               
Add analytics to the current page.
             		                            
  add: ->
             		           
                               
                            
                                
               
Setup tracking details for analytics.
             		                            
    _gaq = window._gaq ?= []
    _gaq.push ['_setAccount', ACCOUNT]
    _gaq.push ['_trackPageview']
             		           
                               
                            
                                
               
Inject script to capture analytics.
             		                            
    ga = document.createElement 'script'
    ga.async = 'async'
    ga.src   = SOURCE
    script = document.getElementsByTagName('script')[0]
    script.parentNode.insertBefore ga, script
             		           
                               
                            
                                
               
Determine whether or not analytics are enabled.
             		                            
  enabled: -> not store? or store.get 'analytics'
             		           
                               
                            
                                
               
Remove analytics from the current page.
             		                            
  remove: ->
             		           
                               
                            
                                
               
Delete scripts used to capture analytics.
             		                            
    for script in document.querySelectorAll "script[src='#{SOURCE}']"
      script.parentNode.removeChild script
             		           
                               
                            
                                
               
Remove tracking details for analytics.
             		                            
    delete window._gaq
             		           
                               
                            
                                
               
Create an event with the information provided and track it in analytics.
             		                            
  track: (category, action, label, value, nonInteraction) -> if @enabled()
    event = ['_trackEvent']
             		           
                               
                            
                                
               
Add the required information.
             		                            
    event.push category
    event.push action
             		           
                               
                            
                                
               
Add the optional information where possible.
             		                            
    event.push label          if label?
    event.push value          if value?
    event.push nonInteraction if nonInteraction?
             		           
                               
                            
                                
               
Add the event to analytics.
             		                            
    _gaq = window._gaq ?= []
    _gaq.push event
             		           
                               
                            
                                
               
Configuration
             		                            
             		           
                               
                            
                                
               
Initialize analytics.
             		                            
store?.init 'analytics', yes