stacker.news/pages/items/[id]/index.js

import Layout from '../../../components/layout'
import { ITEM_FULL } from '../../../fragments/items'
import ItemFull from '../../../components/item-full'
import { getGetServerSideProps } from '../../../api/ssrApollo'
import { useQuery } from '@apollo/client'
import { useRouter } from 'next/router'
import PageLoading from '../../../components/page-loading'

export const getServerSideProps = getGetServerSideProps(ITEM_FULL, null,
  data => !data.item || (data.item.status === 'STOPPED' && !data.item.mine))

export default function Item ({ ssrData }) {
  const router = useRouter()

  const { data } = useQuery(ITEM_FULL, { variables: { id: router.query.id } })
  if (!data && !ssrData) return <PageLoading />

  const { item } = data || ssrData
  const sub = item.subName || item.root?.subName

  return (
    <Layout sub={sub} item={item}>
      <ItemFull item={item} />
    </Layout>
  )
}