Slim partial - Google analytics

_google-analytics.slim

/ Official Google Analytics tracking code (updated 2014-10-23)
/
/ @option [String] google_analytics_key GA key in a format similar to: 'UA-XXXXXXXX-X'
/
- if google_analytics_key
  javascript:
    (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','//www.google-analytics.com/analytics.js','ga');
    ga('create','#{google_analytics_key}','auto');ga('send','pageview');