tooot/src/components/Timeline/Shared/Attachment/Image.tsx

import analytics from '@components/analytics'
import GracefullyImage from '@components/GracefullyImage'
import { StyleConstants } from '@utils/styles/constants'
import React, { useCallback } from 'react'
import { StyleSheet } from 'react-native'
import attachmentAspectRatio from './aspectRatio'

export interface Props {
  total: number
  index: number
  sensitiveShown: boolean
  image: Mastodon.AttachmentImage
  navigateToImagesViewer: (imageIndex: number) => void
}

const AttachmentImage = React.memo(
  ({ total, index, sensitiveShown, image, navigateToImagesViewer }: Props) => {
    const onPress = useCallback(() => {
      analytics('timeline_shared_attachment_image_press', { id: image.id })
      navigateToImagesViewer(index)
    }, [])

    return (
      <GracefullyImage
        hidden={sensitiveShown}
        uri={{ original: image.preview_url, remote: image.remote_url }}
        blurhash={image.blurhash}
        onPress={onPress}
        style={[
          styles.base,
          { aspectRatio: attachmentAspectRatio({ total, index }) }
        ]}
      />
    )
  },
  (prev, next) => prev.sensitiveShown === next.sensitiveShown
)

const styles = StyleSheet.create({
  base: {
    flex: 1,
    flexBasis: '50%',
    padding: StyleConstants.Spacing.XS / 2
  }
})

export default AttachmentImage