dify/web/app/components/base/image-uploader/image-preview.tsx

import type { FC } from 'react'
import { createPortal } from 'react-dom'
import { RiCloseLine } from '@remixicon/react'

type ImagePreviewProps = {
  url: string
  onCancel: () => void
}
const ImagePreview: FC<ImagePreviewProps> = ({
  url,
  onCancel,
}) => {
  return createPortal(
    <div className='fixed inset-0 p-8 flex items-center justify-center bg-black/80 z-[1000]' onClick={e => e.stopPropagation()}>
      <img
        alt='preview image'
        src={url}
        className='max-w-full max-h-full'
      />
      <div
        className='absolute top-6 right-6 flex items-center justify-center w-8 h-8 bg-white/8 rounded-lg backdrop-blur-[2px] cursor-pointer'
        onClick={onCancel}
      >
        <RiCloseLine className='w-4 h-4 text-white' />
      </div>
    </div>,
    document.body,
  )
}

export default ImagePreview