Rails extract routes to array

route_extractor.rb

class RouteExtractor
  require 'action_dispatch/routing/inspector'
  
  attr_reader :all

  def initialize
    all_routes = Rails.application.routes.routes
    inspector = ActionDispatch::Routing::RoutesInspector.new(all_routes)
    @all = inspector.format(ArrayFormatter.new)
  end

  class ArrayFormatter < ActionDispatch::Routing::ConsoleFormatter
    def result
      @buffer
    end

    def section(routes)
      @buffer = routes.map do |r|
        extracted = r.merge extract(r[:reqs])
        OpenStruct.new(extracted)
      end
    end

    private

    def extract(reqs)
      regex = /(?:(?<namespace>.*)\/)?(?<controller>.+)\#(?<action>.*)/.match(reqs)
      {controller: regex[:controller], action: regex[:action], namespace: regex[:namespace]}
    end
  end

end

test.rb

RouteExtractor.new.all #[<OpenStruct controller="invites", action="show", namespace="app", name="app_invite", verb="GET", path="/invites/:id(.:format)", reqs="app/invites#show", regexp="^\\/invites\\/([^\\/.?]+)(?:\\.([^\\/.?]+))?$">]