module Playbook::Spacing

def spacing_props
  selected_props = spacing_options.keys.select { |sk| try(sk) }
  return nil unless selected_props.present?
  responsive = selected_props.present? && try(selected_props.first).is_a?(::Hash)
  css = ""
  selected_props.each do |prop|
    spacing_value = send(prop)
    prefix = spacing_options[prop]
    if responsive
      spacing_value.each do |key, value|
        css += "#{prefix}_#{key}_#{value} " if screen_size_values.include?(key.to_s) && spacing_values.include?(value.to_s)
      end
    elsif spacing_values.include?(spacing_value)
      css += "#{prefix}_#{spacing_value} "
    end
  end
  css.strip unless css.blank?
end