Function getNextPageParam

packages/query-core/src/infiniteQueryBehavior.ts:132–145

(
  options: InfiniteQueryPageParamsOptions<any>,
  { pages, pageParams }: InfiniteData<unknown>,
)

}

function getNextPageParam(
  options: InfiniteQueryPageParamsOptions<any>,
  { pages, pageParams }: InfiniteData<unknown>,
): unknown | undefined {
  const lastIndex = pages.length - 1
  return pages.length > 0
    ? options.getNextPageParam(
        pages[lastIndex],
        pages,
        pageParams[lastIndex],
        pageParams,
      )
    : undefined
}

function getPreviousPageParam(
  options: InfiniteQueryPageParamsOptions<any>,