i have a problem , when npm run start

[benson-singapore]

ERROR in ./node_modules/_react-native-filesystem-v1@0.10.12@react-native-filesystem-v1/modules/FileSystem.js 7:17
Module parse failed: Unexpected token (7:17)
You may need an appropriate loader to handle this file type.
|
| export default class FileSystem {

static storage = {
| backedUp: 'BACKED_UP',
| important: 'IMPORTANT',
@ ./src/pages/Home/Home.jsx 29:0-52 49:4-14
@ ./src/pages/Home/index.js
@ ./src/routerConfig.js
@ ./src/router.jsx
@ ./src/index.js
@ multi ./node_modules/react-dev-utils/webpackHotDevClient.js ./src/index.js
Failed to compile.