class Sprockets::Manifest

def find(*args)
  unless environment
    raise Error, "manifest requires environment for compilation"
  end
  return to_enum(__method__, *args) unless block_given?
  filters = args.flatten.map { |arg| self.class.compile_match_filter(arg) }
  environment = self.environment.cached
  environment.logical_paths do |logical_path, filename|
    if filters.any? { |f| f.call(logical_path, filename) }
      environment.find_all_linked_assets(filename) do |asset|
        yield asset
      end
    end
  end
  nil
end