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fix(nuxt3)!: custom response type for useFetch using first generic (#3268)

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pooya parsa 2022-02-16 21:50:19 +01:00 committed by GitHub
parent 7c3327a772
commit 77aeaa3288
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2 changed files with 15 additions and 7 deletions
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16
packages/nuxt3/src/app/composables/fetch.ts
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@ -13,13 +13,14 @@ export type UseFetchOptions<
> = AsyncDataOptions<DataT, Transform, PickKeys> & FetchOptions & { key?: string }
export function useFetch<
ResT = void,
ReqT extends string = string,
ResT = FetchResult<ReqT>,
Transform extends (res: ResT) => any = (res: ResT) => ResT,
_ResT = ResT extends void ? FetchResult<ReqT> : ResT,
Transform extends (res: _ResT) => any = (res: _ResT) => _ResT,
PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>
> (
url: ReqT,
opts: UseFetchOptions<ResT, Transform, PickKeys> = {}
opts: UseFetchOptions<_ResT, Transform, PickKeys> = {}
) {
if (!opts.key) {
const keys: any = { u: url }
@ -35,17 +36,18 @@ export function useFetch<
opts.key = generateKey(keys)
}
return useAsyncData(opts.key, () => $fetch(url, opts) as Promise<ResT>, opts)
return useAsyncData(opts.key, () => $fetch(url, opts) as Promise<_ResT>, opts)
}
export function useLazyFetch<
ResT = void,
ReqT extends string = string,
ResT = FetchResult<ReqT>,
Transform extends (res: ResT) => any = (res: ResT) => ResT,
_ResT = ResT extends void ? FetchResult<ReqT> : ResT,
Transform extends (res: _ResT) => any = (res: _ResT) => _ResT,
PickKeys extends KeyOfRes<Transform> = KeyOfRes<Transform>
> (
url: ReqT,
opts: Omit<UseFetchOptions<ResT, Transform, PickKeys>, 'lazy'> = {}
opts: Omit<UseFetchOptions<_ResT, Transform, PickKeys>, 'lazy'> = {}
) {
return useFetch(url, { ...opts, lazy: true })
}

6
test/fixtures/basic/tests/types.ts vendored
View File

@ -7,11 +7,14 @@ import { defineNuxtConfig } from '~~/../../../packages/nuxt3/src'
import { useRouter } from '#imports'
import { isVue3 } from '#app'
interface TestResponse { message: string }
describe('API routes', () => {
it('generates types for routes', () => {
expectTypeOf($fetch('/api/hello')).toMatchTypeOf<Promise<string>>()
expectTypeOf($fetch('/api/hey')).toMatchTypeOf<Promise<{ foo:string, baz: string }>>()
expectTypeOf($fetch('/api/other')).toMatchTypeOf<Promise<unknown>>()
expectTypeOf($fetch<TestResponse>('/test')).toMatchTypeOf<Promise<TestResponse>>()
})
it('works with useFetch', () => {
@ -19,10 +22,13 @@ describe('API routes', () => {
expectTypeOf(useFetch('/api/hey').data).toMatchTypeOf<Ref<{ foo:string, baz: string }>>()
expectTypeOf(useFetch('/api/hey', { pick: ['baz'] }).data).toMatchTypeOf<Ref<{ baz: string }>>()
expectTypeOf(useFetch('/api/other').data).toMatchTypeOf<Ref<unknown>>()
expectTypeOf(useFetch<TestResponse>('/test').data).toMatchTypeOf<Ref<TestResponse>>()
expectTypeOf(useLazyFetch('/api/hello').data).toMatchTypeOf<Ref<string>>()
expectTypeOf(useLazyFetch('/api/hey').data).toMatchTypeOf<Ref<{ foo:string, baz: string }>>()
expectTypeOf(useLazyFetch('/api/hey', { pick: ['baz'] }).data).toMatchTypeOf<Ref<{ baz: string }>>()
expectTypeOf(useLazyFetch('/api/other').data).toMatchTypeOf<Ref<unknown>>()
expectTypeOf(useLazyFetch('/api/other').data).toMatchTypeOf<Ref<unknown>>()
expectTypeOf(useLazyFetch<TestResponse>('/test').data).toMatchTypeOf<Ref<TestResponse>>()
})
})