module Roda::RodaPlugins::Assets::InstanceMethods

def assets_paths(type)
  o = self.class.assets_opts
  if type.is_a?(Array)
    ltype, *dirs = type
  else
    ltype = type
  end
  stype = ltype.to_s
  url_prefix = request.script_name if self.class.opts[:add_script_name]
  relative_paths = o[:relative_paths]
  paths = if o[:compiled]
    relative_paths = false if o[:compiled_asset_host]
    if ukey = _compiled_assets_hash(type, true)
      ["#{o[:compiled_asset_host]}#{url_prefix}/#{o[:"compiled_#{stype}_prefix"]}.#{ukey}.#{stype}"]
    else
      []
    end
  else
    asset_dir = o[ltype]
    if dirs && !dirs.empty?
      dirs.each{|f| asset_dir = asset_dir[f]}
      prefix = "#{dirs.join('/')}/" if o[:group_subdirs]
    end
    Array(asset_dir).map do |f|
      if ts = o[:timestamp_paths]
        mtime = asset_last_modified(File.join(o[:"#{stype}_path"], *[prefix, f].compact))
        mtime = "#{sprintf("%i%06i", mtime.to_i, mtime.usec)}#{ts}"
      end
      "#{url_prefix}/#{o[:"#{stype}_prefix"]}#{mtime}#{prefix}#{f}#{o[:"#{stype}_suffix"]}"
    end
  end
  if relative_paths
    paths.map! do |path|
      "#{relative_prefix}#{path}"
    end
  end
  paths
end