module DataStyleSanitizer::Rails::ControllerIntegration

def inject_data_style_sanitizer_styles 

def inject_data_style_sanitizer_styles
  return unless html_response? && response.body.include?("data-style")
  nonce = begin
    content_security_policy_nonce(:style)
  rescue
    nil
  end
  style_block = DataStyleSanitizer::Renderer.generate_style_block(response.body, nonce: nonce)
  # Inject into <head>
  response.body.sub!("</head>", "#{style_block}</head>")
end