Function fetchItems

packages/solid-query/src/__tests__/useInfiniteQuery.test.tsx:39–50

(
  page: number,
  ts: number,
  noNext?: boolean,
  noPrev?: boolean,
)

const pageSize = 10

const fetchItems = (
  page: number,
  ts: number,
  noNext?: boolean,
  noPrev?: boolean,
): Promise<Result> =>
  sleep(10).then(() => ({
    items: [...new Array(10)].fill(null).map((_, d) => page * pageSize + d),
    nextId: noNext ? undefined : page + 1,
    prevId: noPrev ? undefined : page - 1,
    ts,
  }))

describe('useInfiniteQuery', () => {
  let queryCache: QueryCache