haml-extensions.rb

module Haml::Filters::CodeConcern
  extend ActiveSupport::Concern
  def render(text)
    <<~CODE
      <div class="sa-code-snippet-wrapper">
        <div class="sa-code-snippet">
          <div class="code-title">HAML Snippet</div>
          <button class="copy-code-button">Copy</button>
          <pre class="chroma"><code>#{Haml::Helpers.preserve text}</code></pre>
        </div>
      </div>
    CODE
  end
end

if Haml::VERSION >= '6.0.0'
  module Haml
    class Filters
      class Code < Haml::Filters::Base
        include CodeConcern

        def compile(node)
          [:static, render(node.value[:text])]
        end
      end
      register :code, Code
    end
  end
else
  module Haml::Filters::Code
    include Haml::Filters::Base
    include Haml::Filters::CodeConcern
  end
end