Class: Tags::GoogleAnalyticsTag

Inherits:
Liquid::Tag
  • Object
show all
Defined in:
app/liquid/tags/google_analytics_tag.rb

Overview

Returns a Google Analytics tag.

Usage:

ga ‘UA-XXXXX-X’ %

Constant Summary collapse

Syntax = 
/(#{::Liquid::QuotedFragment}+)?/

Instance Method Summary collapse

Constructor Details

#initialize(tag_name, markup, tokens) ⇒ GoogleAnalyticsTag

Returns a new instance of GoogleAnalyticsTag.



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# File 'app/liquid/tags/google_analytics_tag.rb', line 10

def initialize(tag_name, markup, tokens)
  if markup =~ Syntax
    @account_id = $1.gsub('\'', '')
  else
    raise ::Liquid::SyntaxError.new("Syntax Error in 'Google Analytics Tag' - Valid syntax: {% ga <account_id> %}")
  end

  super
end

Instance Method Details

#render(context) ⇒ Object 



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# File 'app/liquid/tags/google_analytics_tag.rb', line 20

def render(context)
  %{
    <script>
      (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)
      })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
      ga('create', '#{@account_id}', 'auto');
      ga('send', 'pageview');
    </script>
  }
end