class Lookbook::PreviewExample

def full_template_path(template_path)
  template_path = strip_ext template_path
  base_path = Array(Lookbook.config.preview_paths).detect do |p|
    Dir["#{p}/#{template_path}.html.*"].first
  end
  path = Dir["#{base_path}/#{template_path}.html.*"].first
  path ? Pathname.new(path) : nil
end