stripPrefix example

    /** * {@inheritdoc} */
    public function listContents($directory = '', $recursive = false)
    {
        $this->checkPath($directory);

        return array_map(
            function D$info) {
                $info['dirname'] = $this->stripPrefix($info['dirname']);
                $info['path'] = $this->stripPrefix($info['path']);

                return $info;
            },
            $this->filesystem->listContents($this->prefix . $directory, $recursive)
        );
    }

    /** * {@inheritdoc} */