Function hasPreviousPage

packages/query-core/src/infiniteQueryBehavior.ts:170–176

(
  options: InfiniteQueryPageParamsOptions<any, any>,
  data?: InfiniteData<unknown>,
)

 * Checks if there is a previous page.
 */
export function hasPreviousPage(
  options: InfiniteQueryPageParamsOptions<any, any>,
  data?: InfiniteData<unknown>,
): boolean {
  if (!data || !options.getPreviousPageParam) return false
  return getPreviousPageParam(options, data) != null
}