Function useFeed

packages/shared/src/hooks/useFeed.ts:278–881

(
  feedQueryKey: QueryKey,
  pageSize: number,
  adTemplate: FeedAdTemplate,
  placeholdersPerPage: number,
  params: UseFeedOptionalParams<T> = {},
)

}

export default function useFeed<T>(
  feedQueryKey: QueryKey,
  pageSize: number,
  adTemplate: FeedAdTemplate,
  placeholdersPerPage: number,
  params: UseFeedOptionalParams<T> = {},
): FeedReturnType {
  const router = useRouter();
  const { logEvent } = useLogContext();
  const {
    query,
    variables,
    options = {},
    settings,
    onEmptyFeed,
    isBriefBannerEligible = false,
    engagementStripEligible = false,
    firstSlotOffset = 0,
    disableTopHero = false,
    isHorizontal = false,
    excludePinnedPosts = false,
  } = params;
  const { numCards: numCardsBySpaciness } = useContext(FeedContext);
  const numCards = numCardsBySpaciness.eco;
  const { user, tokenRefreshed } = useContext(AuthContext);
  const { isPlus } = usePlusSubscription();
  const queryClient = useQueryClient();
  const isTabletViewport = useViewSize(ViewSize.Tablet);
  const isMobileViewport = !isTabletViewport;
  const { isListMode, shouldUseListFeedLayout } = useFeedLayout();
  const useList = isListMode && numCards > 1;
  const isListContext = useList || shouldUseListFeedLayout;
  const virtualizedNumCards = useList ? 1 : numCards;
  const canRenderHighlightCards =
    !isMobileViewport &&
    !isListContext &&
    !isHorizontal &&
    virtualizedNumCards > 1 &&
    HERO_ELIGIBLE_FEEDS.has(settings?.feedName as AllFeedPages);
  const { value: isHighlightCardsOptedOut } = useSettingsBooleanFlag(
    'highlightCardsOptOut',
  );
  const { fetchTranslations } = useTranslation({
    queryKey: feedQueryKey,
    queryType: 'feed',
  });
  const isFeedPreview = feedQueryKey?.[0] === RequestKey.FeedPreview;
  const avoidRetry =
    params?.settings?.feedName === SharedFeedPage.Custom && !isPlus;
  const feedQuery = useInfiniteQuery<
    FeedItemData,
    ClientError,
    InfiniteData<FeedItemData, string>,
    QueryKey,
    string
  >({
    queryKey: feedQueryKey,
    queryFn: async ({ pageParam }) => {