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  • analytics.coffee

  • ¶

    Template
    (c) 2014 Alasdair Mercer
    Freely distributable under the MIT license:
    http://template-extension.org/license

  • ¶

    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) ->
    return unless @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