init method

Implementation

Future<void> init() async {
  if (_initialized) {
    return;
  }

  _initialized = true;

  if (!PlatformUtils.isWeb) {
    await CacheWorker.instance.checkDownloaded(
      filename: filename,
      checksum: original.checksum,
      size: original.size,
      url: original.url,
    );
  }
}