Define blocks to parse scrapify attribute

pmadurai.rb

class Pmadurai
  include Scrapify::Base
  html "http://www.projectmadurai.org/pmworks.tscii.html"

  attribute :name, xpath: "//table[@id = 'sortabletable']/tbody/tr/td[2]"
  attribute :author, xpath: "//table[@id = 'sortabletable']/tbody/tr/td[3]"
  attribute :urls, xpath: "//table[@id = 'sortabletable']/tbody/tr/td[7]" do |element|
      element.children.map do |child|
        child.xpath('@href').map(&:value)
      end
    end
  end

  key :name
end