Function updateCachedPage

packages/shared/src/lib/query.ts:403–434

(
  feedQueryKey: QueryKey,
  queryClient: QueryClient,
  pageIndex: number,
  manipulate: (page: AnyFeedConnection) => AnyFeedConnection,
)

};

export const updateCachedPage = (
  feedQueryKey: QueryKey,
  queryClient: QueryClient,
  pageIndex: number,
  manipulate: (page: AnyFeedConnection) => AnyFeedConnection,
): void => {
  queryClient.setQueryData<InfiniteData<AnyFeedData>>(
    feedQueryKey,
    (currentData) => {
      if (!currentData) {
        return currentData;
      }

      const currentPageData = currentData.pages[pageIndex];
      if (!currentPageData) {
        return currentData;
      }

      const { pages } = currentData;
      const currentPage = structuredClone(currentPageData);
      currentPage.page = manipulate(
        currentPage.page as AnyFeedConnection,
      ) as typeof currentPage.page;
      const newPages = [
        ...pages.slice(0, pageIndex),
        currentPage,
        ...pages.slice(pageIndex + 1),
      ];
      return { pages: newPages, pageParams: currentData.pageParams };
    },
  );
};

export const updateCachedPagePost =
  (feedQueryKey: QueryKey, queryClient: QueryClient) =>