file method
Gets the file.
Implementation
Future<File> file() async {
if (_file != null)
return _file!;
else {
if (_appDocDir == null) await _findAppDocDir();
String pathNameStr = pathName(
dbName,
dbSubDir: dbSubDir,
subDirs: subDirs,
);
_file = _fileSystem.file(pathNameStr);
return _file!;
}
}