parsePreviewSession function

String? parsePreviewSession(
  1. Object? data
)

Implementation

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

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