import { describe, expectTypeOf, it } from 'vitest' import { dataTagSymbol } from '@tanstack/query-core' import { useInfiniteQuery } from '../useInfiniteQuery' import { infiniteQueryOptions } from '../infiniteQueryOptions' import type { InfiniteData } from '@tanstack/query-core' import type { DefinedInitialDataInfiniteOptions, UndefinedInitialDataInfiniteOptions, } from '../infiniteQueryOptions' describe('infiniteQueryOptions', () => { it('should infer defined types', () => { const options = infiniteQueryOptions({ getNextPageParam: () => 10, queryKey: ['key'], queryFn: () => ({ wow: true }), initialData: { pageParams: [undefined], pages: [{ wow: true }], }, initialPageParam: 0, }) expectTypeOf(useInfiniteQuery(() => options).data).toEqualTypeOf< InfiniteData<{ wow: boolean }, unknown> >() expectTypeOf(options).toMatchTypeOf< ReturnType< DefinedInitialDataInfiniteOptions< { wow: boolean }, Error, InfiniteData<{ wow: boolean }, unknown>, Array, number | undefined > > >() expectTypeOf(options.queryKey[dataTagSymbol]).toEqualTypeOf< InfiniteData<{ wow: boolean }> >() }) it('should work without defined types', () => { const options = infiniteQueryOptions({ getNextPageParam: () => undefined, queryKey: ['key'], queryFn: () => ({ wow: true }), initialPageParam: 0, }) expectTypeOf(() => useInfiniteQuery(() => options).data).toEqualTypeOf< () => InfiniteData<{ wow: boolean }, unknown> | undefined >() expectTypeOf(options).toMatchTypeOf< ReturnType< UndefinedInitialDataInfiniteOptions< { wow: boolean }, Error, InfiniteData<{ wow: boolean }, unknown>, Array, number > > >() expectTypeOf(options.queryKey[dataTagSymbol]).toEqualTypeOf< InfiniteData<{ wow: boolean }> >() }) })