SyntaxError: Unexpected token 'export'
While trying to use an eva icon in React (next js)
![evaicon-bug](https://user-images.githubusercontent.com/68554476/123132504-313ea680-d425-11eb-874b-d73148556bc9.jpg)
, this error occured.

## Steps to reproduce
Followed the instructions at [iconfiy.design](https://iconify.design/icon-sets/eva/arrow-ios-back-outline.html), React tab
```

npm install --save-dev @iconify/react @iconify-icons/eva
import { Icon, InlineIcon } from '@iconify/react';
import arrowIosBackOutline from '@iconify-icons/eva/arrow-ios-back-outline';
```

then to use 

`<Icon icon={arrowIosBackOutline} />`


