Named Route Helper for Laravel

helpers.php

<?php
/**
 * 
 * Nathaniel Higgins
 * 
 * Add some easy helpers for adding named routes
 *
 * Use as follows:
 *
 * get('/', named('home', 'HomeController@index'));
 * post('/help', named('help', function() {
 *     // ...
 * });
 *
 * named_group('auth.', function() {
 *     Route::group(['prefix' => 'auth'], function() {
 *         get('/login', named('login', 'AuthController@login'));
 *     });
 * });
 * 
 * These are just aliases for \App\Helper\named
 */

namespace App\Helpers {


    /**
     * Class NamedRouteHelper
     * @package App\Helpers
     * 
     * The main workhorse of this system
     */
    class NamedRouteHelper {

        /**
         * @var string
         * 
         * The current prefix for named routes.
         * 
         * @see group
         */
        private $current_prefix = '';

        /**
         * @param $name
         * @param $action \Closure|string
         * @return array
         * 
         * Get an array for a named route using either a controller or a closure
         */
        public function named($name, $action) {
            return array_merge(
                [ 'as' => $this->current_prefix . $name ],
                $action instanceof \Closure ?
                    [$action] :
                    ['uses' => $action]
            );
        }

        /**
         * @param $prefix
         * @param callable $callback
         * 
         * Create a group where all route names have a prefix.
         */
        public function group($prefix, \Closure $callback) {
            $old_prefix = $this->current_prefix;
            $this->current_prefix .= $prefix;
            call_user_func($callback);
            $this->current_prefix = $old_prefix;
        }
    }
}

/**
 * This is to hide a yucky static class version of the actual helper
 * 
 * @todo Should probably use a facade? Can some of you Laravel-y people help me out with this? I managed to but it
 *       broke autocomplete?
 * 
 * @note Ignore this. It just passes on all of its arguments to a singleton
 */
namespace ___AppHelperDefaultVars {
    use App\Helpers\NamedRouteHelper as Helper;

    class NamedRouteHelper {
        private static $defaultHelper;

        static function named($name, $action, Helper $helper = null) {
            $helper = static::getDefaultHelper($helper);

            return $helper->named($name, $action);
        }

        static function group($prefix, \Closure $callback, Helper $helper = null) {
            $helper = static::getDefaultHelper($helper);

            $helper->group($prefix, $callback);
        }

        private static function getDefaultHelper(Helper $overwrite = null) {
            if ($overwrite) {
                return $overwrite;
            }

            if (!static::$defaultHelper) {
                static::$defaultHelper = new Helper();
            }

            return static::$defaultHelper;
        }
    }
}

/**
 * These are our little helper functions
 */
namespace {

    use App\Helpers\NamedRouteHelper as Helper;

    if (!function_exists('named')) {

        function named($name, $action, Helper $helper = null)
        {
            return ___AppHelperDefaultVars\NamedRouteHelper::named($name, $action, $helper);
        }
    }

    if (!function_exists('named_group')) {

        function named_group($prefix, \Closure $callback, Helper $helper = null) {
            ___AppHelperDefaultVars\NamedRouteHelper::group($prefix, $callback, $helper);
        }

    }

}