Method folderKey

src/FileRise/Support/MetadataPath.php:9–16

(string $folder)

    private const ROOT_FILE = 'root_metadata.json';

    public static function folderKey(string $folder): string
    {
        $folder = trim(str_replace('\\', '/', $folder), "/ \t\n\r\0\x0B");
        if ($folder === '' || strcasecmp($folder, 'root') === 0) {
            return 'root';
        }
        return $folder;
    }

    public static function path(string $metaRoot, string $folder): string
    {