checkDocument method Null safety

Future<bool> checkDocument(
  1. {required String filePath}
)

check if the path already exists in document folder filePath

Implementation

Future<bool> checkDocument({required String filePath}) async {
  try {
    if (Platform.isWindows) return await hasFolderWindows(path: filePath);
    return await methodChannel.invokeMethod("checkDocument", filePath);
  } on PlatformException catch (e) {
    throw OpenDocumentException('checkDocument: ${e.stacktrace.toString()}');
  }
}