Class: Loofah::Scrubbers::NoFollow

Inherits:
Loofah::Scrubber show all
Defined in:
lib/loofah/scrubbers.rb

Overview

scrub!(:nofollow)

+:nofollow+ adds a rel="nofollow" attribute to all links

   link_farmers_markup = "ohai! <a href='http://www.myswarmysite.com/'>I like your blog post</a>"
   Loofah.html5_fragment(link_farmers_markup).scrub!(:nofollow)
   => "ohai! <a href='http://www.myswarmysite.com/' rel="nofollow">I like your blog post</a>"

Constant Summary

Constants inherited from Loofah::Scrubber

Loofah::Scrubber::CONTINUE, Loofah::Scrubber::STOP

Instance Attribute Summary

Attributes inherited from Loofah::Scrubber

#block, #direction

Instance Method Summary collapse

Methods inherited from Loofah::Scrubber

#append_attribute, #traverse

Constructor Details

#initialize ⇒ NoFollow

rubocop:disable Lint/MissingSuper



221
222
223
 
# File 'lib/loofah/scrubbers.rb', line 221

def initialize # rubocop:disable Lint/MissingSuper
  @direction = :top_down
end

Instance Method Details

#scrub(node) ⇒ Object 



225
226
227
228
229
230
 
# File 'lib/loofah/scrubbers.rb', line 225

def scrub(node)
  return CONTINUE unless (node.type == Nokogiri::XML::Node::ELEMENT_NODE) && (node.name == "a")

  append_attribute(node, "rel", "nofollow")
  STOP
end