Stolz\Assets\Laravel\LegacyFlushPipelineCommand::purgeDir PHP Method

    protected function purgeDir($directory)
    {
        if (!File::isDirectory($directory)) {
            return true;
        }
        if (File::isWritable($directory)) {
            return File::cleanDirectory($directory);
        }
        $this->error($directory . ' is not writable');
        return false;
    }