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import { describe, expectTypeOf, test } from 'vitest'
import { get } from 'svelte/store'
import {
QueriesObserver,
QueryClient,
dataTagSymbol,
skipToken,
} from '@tanstack/query-core'
import { createQueries, queryOptions } from '../../src/index.js'
import type { QueryObserverResult } from '@tanstack/query-core'
describe('queryOptions', () => {
test('Should not allow excess properties', () => {
queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
// @ts-expect-error this is a good error, because stallTime does not exist!
stallTime: 1000,
})
})
test('Should infer types for callbacks', () => {
queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
staleTime: 1000,
select: (data) => {
expectTypeOf(data).toEqualTypeOf<number>()
},
})
})
test('Should work when passed to fetchQuery', async () => {
const options = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const data = await new QueryClient().fetchQuery(options)
expectTypeOf(data).toEqualTypeOf<number>()
})
test('Should work when passed to createQueries', () => {
const options = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queries = createQueries({
queries: [options],
})
expectTypeOf(get(queries)[0].data).toEqualTypeOf<number | undefined>()
})
test('Should tag the queryKey with the result type of the QueryFn', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<number>()
})
test('Should tag the queryKey even if no promise is returned', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => 5,
})
expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<number>()
})
test('Should tag the queryKey with unknown if there is no queryFn', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
})
expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<unknown>()
})
test('Should tag the queryKey with the result type of the QueryFn if select is used', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
select: (data) => data.toString(),
})
expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<number>()
})
test('Should return the proper type when passed to getQueryData', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queryClient = new QueryClient()
const data = queryClient.getQueryData(queryKey)
expectTypeOf(data).toEqualTypeOf<number | undefined>()
})
test('Should return the proper type when passed to getQueryState', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queryClient = new QueryClient()
const state = queryClient.getQueryState(queryKey)
expectTypeOf(state?.data).toEqualTypeOf<number | undefined>()
})
test('Should properly type updaterFn when passed to setQueryData', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queryClient = new QueryClient()
const data = queryClient.setQueryData(queryKey, (prev) => {
expectTypeOf(prev).toEqualTypeOf<number | undefined>()
return prev
})
expectTypeOf(data).toEqualTypeOf<number | undefined>()
})
test('Should properly type value when passed to setQueryData', () => {
const { queryKey } = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queryClient = new QueryClient()
// @ts-expect-error value should be a number
queryClient.setQueryData(queryKey, '5')
// @ts-expect-error value should be a number
queryClient.setQueryData(queryKey, () => '5')
const data = queryClient.setQueryData(queryKey, 5)
expectTypeOf(data).toEqualTypeOf<number | undefined>()
})
test('Should infer even if there is a conditional skipToken', () => {
const options = queryOptions({
queryKey: ['key'],
queryFn: Math.random() > 0.5 ? skipToken : () => Promise.resolve(5),
})
const queryClient = new QueryClient()
const data = queryClient.getQueryData(options.queryKey)
expectTypeOf(data).toEqualTypeOf<number | undefined>()
})
test('Should infer to unknown if we disable a query with just a skipToken', () => {
const options = queryOptions({
queryKey: ['key'],
queryFn: skipToken,
})
const queryClient = new QueryClient()
const data = queryClient.getQueryData(options.queryKey)
expectTypeOf(data).toEqualTypeOf<unknown>()
})
test('Should return the proper type when passed to QueriesObserver', () => {
const options = queryOptions({
queryKey: ['key'],
queryFn: () => Promise.resolve(5),
})
const queryClient = new QueryClient()
const queriesObserver = new QueriesObserver(queryClient, [options])
expectTypeOf(queriesObserver).toEqualTypeOf<
QueriesObserver<Array<QueryObserverResult>>
>()
})
test('Should allow undefined response in initialData', () => {
return (id: string | null) =>
queryOptions({
queryKey: ['todo', id],
queryFn: () =>
Promise.resolve({
id: '1',
title: 'Do Laundry',
}),
initialData: () =>
!id
? undefined
: {
id,
title: 'Initial Data',
},
})
})
})
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