protected function config()
    {
        if (! file_exists($config = __DIR__.'/../config/config.php')) {
            return;
        }

        $config = collect(apply_filters('bladesvg', require($config)));

        return $config->merge([
            'svg_path'         => $this->path($config->get('svg_path')),
            'spritesheet_path' => $this->path($config->get('spritesheet_path'))
        ])->all();
    }