require "active_support/core_ext/module/delegation" module Rails class Application class RoutesReloader attr_reader :route_sets, :paths attr_accessor :eager_load delegate :updated?, to: :updater def initialize @paths = [] @route_sets = [] @eager_load = false end def reload! clear! load_paths finalize! ensure revert end def execute ret = updater.execute route_sets.each(&:eager_load!) if eager_load ret end def execute_if_updated if updated = updater.execute_if_updated route_sets.each(&:eager_load!) if eager_load end updated end private def updater @updater ||= begin updater = ActiveSupport::FileUpdateChecker.new(paths) { reload! } updater.execute updater end end def clear! route_sets.each do |routes| routes.disable_clear_and_finalize = true routes.clear! end end def load_paths paths.each { |path| load(path) } end def finalize! route_sets.each(&:finalize!) end def revert route_sets.each do |routes| routes.disable_clear_and_finalize = false end end end end end