Class: Nexmo::Markdown::ExternalLinkFilter

Inherits:
Banzai::Filter
  • Object
show all
Defined in:
lib/nexmo_markdown_renderer/filters/external_link_filter.rb

Instance Method Summary collapse

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/nexmo_markdown_renderer/filters/external_link_filter.rb', line 4

def call(input)
  @input = input
    
  document.css('a').each_with_index do |link, _index|
    if link['href']&.start_with?('http') && link['class'] && !link['class'].include?('no-external-marker')
      link['target'] = '_blank'
      if link.css('svg').empty?
        link.add_child <<~HEREDOC
          &nbsp;<svg class="Vlt-icon Vlt-icon--smaller Vlt-icon--text-bottom Vlt-blue-dark"><use xlink:href="/symbol/volta-icons.svg#Vlt-icon-open"></use></svg>
        HEREDOC
      end
    end
  end
    
  @document.to_html
end