getting above error while importing package

```

./node_modules/react-native-fs/FS.common.js
Module parse failed: Unexpected token (30:29)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
| };
|
> var normalizeFilePath = (path: string) => (path.startsWith('file://') ? path.slice(7) : path);
|
| type MkdirOptions = {
```