pickFile method

@override Future<FilePickResult?> pickFile({ List<String>? allowedExtensions, void onProgress(bool done, double progress)?, ValueNotifier<bool>? canceled, bool returnStream = true, bool calcMD5 = true, bool returnBlob = true, })

Implementation

@override
Future<FilePickResult?> pickFile({
  List<String>? allowedExtensions,
  void Function(bool done, double progress)? onProgress,
  ValueNotifier<bool>? canceled,
  bool returnStream = true,
  bool calcMD5 = true,
  bool returnBlob = true,
}) async {
  final result = await FilePickerExtendedWeb.platform.pickFiles(
      type: FileType.custom,
      allowedExtensions: allowedExtensions,
      withData: false,
      withReadStream: returnStream,
      allowCompression: false,
      allowMultiple: false);

  if (result == null || result.files.isEmpty || result.files2.isEmpty) {
    throw Exception('No files picked or file picker was canceled');
  }

  if (result.files.isNotEmpty) {
    var res = FilePickResult(
      length: result.files.first.size,
      stream: returnStream ? result.files.first.readStream! : null,
      blob: returnBlob ? result.files2.first : null,
      md5: calcMD5
          ? await MD5Util.calculate(
              result.files2.first,
              size: result.files.first.size,
              onProgress: onProgress,
              canceled: canceled,
            )
          : null,
      fileName: result.files.first.name,
    );

    if (!(canceled?.value ?? false)) {
      if (calcMD5 && null == res.md5) {
        return null;
      } else {
        return res;
      }
    }
  }

  return null;
//    throw Exception('No files picked or file picker was canceled');
}