Error: No PostCSS Config found about react-viewer HOT 4 CLOSED

// @flow
import React from 'react'
import Viewer from 'react-viewer'
import 'react-viewer/dist/index.css'
import { MediaViewerProps } from './types'

const MediaViewer = ({
  click,
  fileName,
  isOpen,
  onLoad,
  url,
  previewStatus = 2,
}): MediaViewerProps => {
  if (previewStatus === 2) {
    return (
      <div>
        <img
          alt={fileName}
          onClick={click}
          onLoad={onLoad}
          src={url}
        />
        <Viewer
          images={[{ alt: fileName, src: url }]}
          onClose={click}
          visible={isOpen}
        />
      </div>
    )
  }
  return (
    <div>
      The creation of the preview file has not completed
      or the file type is not currently supported.
    </div>
  )
}

export default MediaViewer