ipfs/src/components/Dropzone.tsx

import React, { useCallback } from 'react'
import { useDropzone } from 'react-dropzone'
import styles from './Dropzone.module.css'

export default function Dropzone({
  handleOnDrop,
  disabled,
  multiple
}: {
  handleOnDrop(files: File[]): void
  disabled?: boolean
  multiple?: boolean
}) {
  const onDrop = useCallback(acceptedFiles => handleOnDrop(acceptedFiles), [
    handleOnDrop
  ])

  const {
    getRootProps,
    getInputProps,
    isDragActive,
    isDragReject
  } = useDropzone({ onDrop })

  return (
    <div
      {...getRootProps({
        className: isDragActive
          ? styles.dragover
          : disabled
          ? styles.disabled
          : styles.dropzone
      })}
    >
      <input {...getInputProps({ multiple })} />
      <p>
        {isDragActive && !isDragReject
          ? `Drop it like it's hot!`
          : multiple
          ? `Drag 'n' drop some files here, or click to select files`
          : `Drag 'n' drop a file here, or click to select a file`}
        {}
      </p>
    </div>
  )
}