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11811dc | 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 | import { createApi, fetchBaseQuery } from '@reduxjs/toolkit/query/react'
import { configureStore, createSelector } from '@reduxjs/toolkit'
describe('type tests', () => {
test('buildSelector type test', () => {
interface Todo {
userId: number
id: number
title: string
completed: boolean
}
type Todos = Array<Todo>
const exampleApi = createApi({
reducerPath: 'api',
baseQuery: fetchBaseQuery({
baseUrl: 'https://jsonplaceholder.typicode.com',
}),
endpoints: (build) => ({
getTodos: build.query<Todos, string>({
query: () => '/todos',
}),
}),
})
const exampleQuerySelector = exampleApi.endpoints.getTodos.select('/')
const todosSelector = createSelector(
[exampleQuerySelector],
(queryState) => {
return queryState?.data?.[0] ?? ({} as Todo)
},
)
const firstTodoTitleSelector = createSelector(
[todosSelector],
(todo) => todo?.title,
)
const store = configureStore({
reducer: {
[exampleApi.reducerPath]: exampleApi.reducer,
other: () => 1,
},
})
const todoTitle = firstTodoTitleSelector(store.getState())
// This only compiles if we carried the types through
const upperTitle = todoTitle.toUpperCase()
expectTypeOf(upperTitle).toBeString()
})
test('selectCachedArgsForQuery type test', () => {
interface Todo {
userId: number
id: number
title: string
completed: boolean
}
type Todos = Array<Todo>
const exampleApi = createApi({
reducerPath: 'api',
baseQuery: fetchBaseQuery({
baseUrl: 'https://jsonplaceholder.typicode.com',
}),
endpoints: (build) => ({
getTodos: build.query<Todos, string>({
query: () => '/todos',
}),
getInfiniteTodos: build.infiniteQuery<Todos, string, number>({
infiniteQueryOptions: {
initialPageParam: 0,
maxPages: 3,
getNextPageParam: (
lastPage,
allPages,
lastPageParam,
allPageParams,
) => lastPageParam + 1,
},
query({ pageParam }) {
return `/todos?page=${pageParam}`
},
}),
}),
})
const store = configureStore({
reducer: {
[exampleApi.reducerPath]: exampleApi.reducer,
other: () => 1,
},
})
expectTypeOf(
exampleApi.util.selectCachedArgsForQuery(store.getState(), 'getTodos'),
).toEqualTypeOf<string[]>()
expectTypeOf(
exampleApi.util.selectCachedArgsForQuery(
store.getState(),
'getInfiniteTodos',
),
).toEqualTypeOf<string[]>()
})
})
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