module Middleman::CoreExtensions::DefaultHelpers::Helpers

def asset_path(kind, source)
  return source if source =~ /^http/
  asset_folder  = case kind
    when :css    then css_dir
    when :js     then js_dir
    when :images then images_dir
    else kind.to_s
  end
  source = source.to_s.gsub(/\s/, '')
  ignore_extension = (kind == :images) # don't append extension
  source << ".#{kind}" unless ignore_extension or source =~ /\.#{kind}/
  result_path   = source if source =~ %r{^/} # absolute path
  result_path ||= asset_url(source, asset_folder)
  "#{result_path}"
end