parsePreviewStudy function

String? parsePreviewStudy(
  1. Object? data
)

Implementation

String? parsePreviewStudy(Object? data) {
  final message = _decodeMessage(data);
  if (message == null ||
      message.length != 2 ||
      message['type'] != previewStudyType ||
      message['study'] is! String) {
    return null;
  }

  final study = message['study'] as String;
  return study.isEmpty ? null : study;
}