class Loofah::Scrubbers::NoFollow


=> “ohai! <a href=‘www.myswarmysite.com/’ rel=”nofollow“>I like your blog post</a>”
Loofah.fragment(link_farmers_markup).scrub!(:nofollow)
link_farmers_markup = “ohai! <a href=‘www.myswarmysite.com/’>I like your blog post</a>”
:nofollow adds a rel=“nofollow” attribute to all links
=== scrub!(:nofollow)

def initialize 

def initialize
  @direction = :top_down
end

def scrub(node) 

def scrub(node)
  return CONTINUE unless (node.type == Nokogiri::XML::Node::ELEMENT_NODE) && (node.name == 'a')
  node.set_attribute('rel', 'nofollow')
  return STOP
end