require "active_support/core_ext/module/delegation" module Rails class Application class RoutesReloader attr_reader :route_sets, :paths, :external_routes delegate :execute_if_updated, :execute, :updated?, :to => :updater def initialize @paths = [] @route_sets = [] @external_routes = [] end def reload! clear! load_paths finalize! ensure revert end private def updater @updater ||= begin dirs = @external_routes.each_with_object({}) do |dir, hash| hash[dir.to_s] = %w(rb) end updater = ActiveSupport::FileUpdateChecker.new(paths, dirs) { 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 do |routes| routes.finalize! end end def revert route_sets.each do |routes| routes.disable_clear_and_finalize = false end end end end end