File size: 6,265 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
import { assertType, describe, expectTypeOf, it } from 'vitest'
import { reactive, ref } from 'vue-demi'
import { dataTagSymbol } from '@tanstack/query-core'
import { QueryClient } from '../queryClient'
import { queryOptions } from '../queryOptions'
import { useQuery } from '../useQuery'

describe('queryOptions', () => {
  it('should not allow excess properties', () => {
    assertType(
      queryOptions({
        queryKey: ['key'],
        queryFn: () => Promise.resolve(5),
        // @ts-expect-error this is a good error, because stallTime does not exist!
        stallTime: 1000,
      }),
    )
  })
  it('should infer types for callbacks', () => {
    queryOptions({
      queryKey: ['key'],
      queryFn: () => Promise.resolve(5),
      staleTime: 1000,
      select: (data) => {
        expectTypeOf(data).toEqualTypeOf<number>()
      },
    })
  })
  it('should work when passed to useQuery', () => {
    const options = queryOptions({
      queryKey: ['key'],
      queryFn: () => Promise.resolve(5),
    })

    const { data } = reactive(useQuery(options))
    expectTypeOf(data).toEqualTypeOf<number | undefined>()
  })
  it('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>()
  })
  it('should tag the queryKey even if no promise is returned', () => {
    const { queryKey } = queryOptions({
      queryKey: ['key'],
      queryFn: () => 5,
    })

    expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<number>()
  })
  it('should tag the queryKey with unknown if there is no queryFn', () => {
    const { queryKey } = queryOptions({
      queryKey: ['key'],
    })

    expectTypeOf(queryKey[dataTagSymbol]).toEqualTypeOf<unknown>()
  })
  it('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>()
  })
  it('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>()
  })
  it('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>()
  })
  it('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>()
  })
  it('should allow to be passed to QueryClient methods while containing ref in queryKey', () => {
    const options = queryOptions({
      queryKey: ['key', ref(1), { nested: ref(2) }],
      queryFn: () => Promise.resolve(5),
    })

    const queryClient = new QueryClient()

    // Should not error
    const data = queryClient.invalidateQueries(options)
    // Should not error
    const data2 = queryClient.fetchQuery(options)

    expectTypeOf(data).toEqualTypeOf<Promise<void>>()
    expectTypeOf(data2).toEqualTypeOf<Promise<number>>()
  })

  it('TData should always be defined when initialData is provided as a function which ALWAYS returns the data', () => {
    const { data } = reactive(
      useQuery(
        queryOptions({
          queryKey: ['key'],
          queryFn: () => {
            return {
              wow: true,
            }
          },
          initialData: () => ({
            wow: true,
          }),
        }),
      ),
    )

    expectTypeOf(data).toEqualTypeOf<{ wow: boolean }>()
  })

  it('TData should have undefined in the union when initialData is NOT provided', () => {
    const { data } = reactive(
      useQuery(
        queryOptions({
          queryKey: ['key'],
          queryFn: () => {
            return {
              wow: true,
            }
          },
        }),
      ),
    )

    expectTypeOf(data).toEqualTypeOf<{ wow: boolean } | undefined>()
  })

  it('TData should have undefined in the union when initialData is provided as a function which can return undefined', () => {
    const { data } = reactive(
      useQuery(
        queryOptions({
          queryKey: ['key'],
          queryFn: () => {
            return {
              wow: true,
            }
          },
          initialData: () => undefined as { wow: boolean } | undefined,
        }),
      ),
    )

    expectTypeOf(data).toEqualTypeOf<{ wow: boolean } | undefined>()
  })

  it('TData should be narrowed after an isSuccess check when initialData is provided as a function which can return undefined', () => {
    const { data, isSuccess } = reactive(
      useQuery(
        queryOptions({
          queryKey: ['key'],
          queryFn: () => {
            return {
              wow: true,
            }
          },
          initialData: () => undefined as { wow: boolean } | undefined,
        }),
      ),
    )

    if (isSuccess) {
      expectTypeOf(data).toEqualTypeOf<{ wow: boolean }>()
    }
  })

  it('data should not have undefined when initialData is provided', () => {
    const { data } = reactive(
      useQuery(
        queryOptions({
          queryKey: ['query-key'],
          initialData: 42,
        }),
      ),
    )

    expectTypeOf(data).toEqualTypeOf<number>()
  })
})