Kirby\Patterns\Lab::run PHP Method

    public function run($path = '/')
    {
        if ($this->kirby->option('patterns.lock') && !$this->kirby->site()->user()) {
            go($this->kirby->option('error'));
        }
        // error handling
        $whoops = new \Whoops\Run();
        $whoops->pushHandler(function ($e) {
            throw $e;
            return \Whoops\Handler\Handler::QUIT;
        });
        $whoops->register();
        tpl::$data = ['site' => $this->kirby->site(), 'pages' => $this->kirby->site()->children(), 'page' => $this->kirby->site()->find($this->kirby->option('home')), 'lab' => $this];
        $router = new Router();
        $router->register([['pattern' => '/', 'action' => function () {
            $readme = $this->root() . DS . 'readme.md';
            if (!is_dir($this->root())) {
                $modal = $this->view('modals/folder');
            } else {
                $modal = null;
            }
            if (is_file($readme)) {
                $markdown = kirbytext(f::read($readme));
            } else {
                $markdown = null;
            }
            return $this->view('layouts/main', ['title' => $this->title(), 'menu' => $this->menu(), 'content' => $this->view('views/dashboard', ['markdown' => $markdown]), 'modal' => $modal]);
        }], ['pattern' => 'assets/(:any)', 'action' => function ($file) {
            switch ($file) {
                case 'index.js':
                case 'index.min.js':
                    $mime = 'text/javascript';
                    break;
                case 'index.css':
                case 'index.min.css':
                    $mime = 'text/css';
                    break;
                default:
                    return new Response('Not found', 'text/html', 404);
                    break;
            }
            // build the root for the file
            $file = dirname(__DIR__) . DS . 'assets/dist/' . $file;
            return new Response(f::read($file), $mime);
        }], ['pattern' => '(:all)/preview', 'action' => function ($path) {
            lab::$mode = 'preview';
            $pattern = new Pattern($path);
            $config = $pattern->config();
            try {
                $html = $pattern->render();
            } catch (Exception $e) {
                $html = '';
            }
            return $this->view('views/preview', ['pattern' => $pattern, 'html' => $html, 'background' => a::get($config, 'background', $this->kirby->option('patterns.preview.background')), 'css' => $this->kirby->option('patterns.preview.css', 'assets/css/index.css'), 'js' => $this->kirby->option('patterns.preview.js', 'assets/js/index.js')]);
        }], ['pattern' => '(:all)', 'action' => function ($path) {
            $pattern = new Pattern($path);
            $file = null;
            if (!$pattern->exists()) {
                $filename = basename($path);
                $path = dirname($path);
                if ($path == '.') {
                    $preview = $this->view('previews/error', ['error' => 'The pattern could not be found']);
                } else {
                    $pattern = new Pattern($path);
                    $file = $pattern->files()->get($filename);
                    if ($file) {
                        $preview = $this->preview($pattern, $file);
                    } else {
                        $preview = $this->view('previews/error', ['error' => 'The file could not be found']);
                    }
                }
            } else {
                if ($file = $pattern->files()->get($pattern->name() . '.html.php')) {
                    go($pattern->url() . '/' . $file->filename());
                } else {
                    if ($file = $pattern->files()->first()) {
                        go($pattern->url() . '/' . $file->filename());
                    } else {
                        $preview = $this->view('previews/empty');
                    }
                }
            }
            if ($pattern->isHidden()) {
                go($this->url());
            }
            return $this->view('layouts/main', ['title' => $this->title() . ' / ' . $pattern->title(), 'menu' => $this->menu(null, $path), 'content' => $this->view('views/pattern', ['preview' => $preview, 'info' => $this->view('snippets/info', ['pattern' => $pattern, 'file' => $file])])]);
        }]]);
        if ($route = $router->run($path ? $path : '/')) {
            return new Response(call($route->action(), $route->arguments()));
        } else {
            go('error');
        }
    }