Class: GoogleTagManagerJavascriptTag

Inherits:
LiquidumTag
  • Object
show all
Defined in:
lib/scribo/liquid/tags/google_tag_manager_javascript_tag.rb

Overview

Adds a Google Tag Manager Javascript block

Basic usage:

{%google_tag_manager_javascript 'GTM-XXXXXXX'%}

Advanced usage:

{%google_tag_manager_javascript retailer.code%}

Where ‘GTM-XXXXXXX’ is your container id

Instance Method Summary collapse

Instance Method Details

#render(context) ⇒ Object 



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# File 'lib/scribo/liquid/tags/google_tag_manager_javascript_tag.rb', line 13

def render(context)
  super

  return unless Rails.env == 'production'
  return unless argv1

  Scribo.config.logger.warn "Inserting google tag manager with code: #{argv1}"
  %(<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
  new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
  j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
  'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
  })(window,document,'script','dataLayer','#{argv1}');</script>)
end