tooot/src/components/Timeline/Shared/Content.tsx

import { ParseHTML } from '@components/Parse'
import { getInstanceAccount } from '@utils/slices/instancesSlice'
import React from 'react'
import { useTranslation } from 'react-i18next'
import { useSelector } from 'react-redux'

export interface Props {
  status: Pick<Mastodon.Status, 'content' | 'spoiler_text' | 'emojis'> & {
    mentions?: Mastodon.Status['mentions']
    tags?: Mastodon.Status['tags']
  }
  highlighted?: boolean
  disableDetails?: boolean
}

const TimelineContent = React.memo(
  ({ status, highlighted = false, disableDetails = false }: Props) => {
    const { t } = useTranslation('componentTimeline')
    const instanceAccount = useSelector(getInstanceAccount, () => true)

    return (
      <>
        {status.spoiler_text ? (
          <>
            <ParseHTML
              content={status.spoiler_text}
              size={highlighted ? 'L' : 'M'}
              adaptiveSize
              emojis={status.emojis}
              mentions={status.mentions}
              tags={status.tags}
              numberOfLines={999}
              highlighted={highlighted}
              disableDetails={disableDetails}
            />
            <ParseHTML
              content={status.content}
              size={highlighted ? 'L' : 'M'}
              adaptiveSize
              emojis={status.emojis}
              mentions={status.mentions}
              tags={status.tags}
              numberOfLines={instanceAccount.preferences['reading:expand:spoilers'] ? 999 : 1}
              expandHint={t('shared.content.expandHint')}
              highlighted={highlighted}
              disableDetails={disableDetails}
            />
          </>
        ) : (
          <ParseHTML
            content={status.content}
            size={highlighted ? 'L' : 'M'}
            adaptiveSize
            emojis={status.emojis}
            mentions={status.mentions}
            tags={status.tags}
            numberOfLines={highlighted ? 999 : undefined}
            disableDetails={disableDetails}
          />
        )}
      </>
    )
  },
  (prev, next) =>
    prev.status.content === next.status.content &&
    prev.status.spoiler_text === next.status.spoiler_text
)

export default TimelineContent