class IsoDoc::Generic::HtmlConvert

def default_fonts(options)
  {
    bodyfont: (
      if options[:script] == "Hans"
        '"Source Han Sans",serif'
      else
        configuration.html_bodyfont || '"Overpass",sans-serif'
      end
    ),
    headerfont: (
      if options[:script] == "Hans"
        '"Source Han Sans",sans-serif'
      else
        configuration.html_headerfont || '"Overpass",sans-serif'
      end
    ),
    monospacefont: configuration.html_monospacefont || '"Space Mono",monospace',
    normalfontsize: configuration.html_normalfontsize,
    smallerfontsize: configuration.html_smallerfontsize,
    footnotefontsize: configuration.html_footnotefontsize,
    monospacefontsize: configuration.html_monospacefontsize,
  }.transform_values { |v| v&.empty? ? nil : v }
end