resolve method

Implementation

Future<String> resolve() async {
  // path_provider calls the OS through FFI, which a background isolate
  // can only reach after registering the Dart plugin implementations.
  if (!kIsWeb && RootIsolateToken.instance == null) {
    DartPluginRegistrant.ensureInitialized();
  }
  try {
    switch (this) {
      case DiskRoot.support:
        return (await getApplicationSupportDirectory()).path;
      case DiskRoot.documents:
        return (await getApplicationDocumentsDirectory()).path;
      case DiskRoot.cache:
        return (await getApplicationCacheDirectory()).path;
      case DiskRoot.temporary:
        if (Platform.isIOS || Platform.isMacOS) {
          return Directory.systemTemp.path;
        }
        return p.join((await getApplicationCacheDirectory()).path, 'tmp');
      case DiskRoot.library:
        return (await getLibraryDirectory()).path;
      case DiskRoot.downloads:
        final Directory? downloads = await getDownloadsDirectory();
        if (downloads == null) throw UnsupportedError('No downloads folder');
        return downloads.path;
      case DiskRoot.external:
        final Directory? external = await getExternalStorageDirectory();
        if (external == null) throw UnsupportedError('No external storage');
        return external.path;
    }
  } catch (error) {
    throw DiskException(
      'Could not find the $name folder on this platform',
      cause: error,
    );
  }
}