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fix(nuxt): allow union type arguments for useAsyncData (#9061)

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Toby Faux 2022-11-17 01:27:24 +11:00 committed by GitHub
parent df2d05df89
commit 32044dc8a5
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3 changed files with 21 additions and 2 deletions
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9
packages/nuxt/src/app/composables/asyncData.ts
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@ -13,7 +13,14 @@ export type PickFrom<T, K extends Array<string>> = T extends Array<any>
: Pick<T, K[number]>
: T
export type KeysOf<T> = Array<keyof T extends string ? keyof T : string>
export type KeysOf<T> = Array<
T extends T // Include all keys of union types, not just common keys
? keyof T extends string
? keyof T
: string
: never
>
export type KeyOfRes<Transform extends _Transform> = KeysOf<ReturnType<Transform>>
type MultiWatchSources = (WatchSource<unknown> | object)[]

4
test/fixtures/basic/server/api/union.ts vendored Normal file
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@ -0,0 +1,4 @@
export default defineEventHandler(() => ({
type: 'a',
foo: 'bar'
}) as { type: 'a', foo: string } | { type: 'b', baz: string })

10
test/fixtures/basic/types.ts vendored
View File

@ -17,6 +17,7 @@ describe('API routes', () => {
it('generates types for routes', () => {
expectTypeOf($fetch('/api/hello')).toEqualTypeOf<Promise<string>>()
expectTypeOf($fetch('/api/hey')).toEqualTypeOf<Promise<{ foo: string, baz: string }>>()
expectTypeOf($fetch('/api/union')).toEqualTypeOf<Promise<{ type: 'a', foo: string } | { type: 'b', baz: string }>>()
expectTypeOf($fetch('/api/other')).toEqualTypeOf<Promise<unknown>>()
expectTypeOf($fetch<TestResponse>('/test')).toEqualTypeOf<Promise<TestResponse>>()
})
@ -25,6 +26,8 @@ describe('API routes', () => {
expectTypeOf(useAsyncData('api-hello', () => $fetch('/api/hello')).data).toEqualTypeOf<Ref<string | null>>()
expectTypeOf(useAsyncData('api-hey', () => $fetch('/api/hey')).data).toEqualTypeOf<Ref<{ foo: string, baz: string } | null>>()
expectTypeOf(useAsyncData('api-hey-with-pick', () => $fetch('/api/hey'), { pick: ['baz'] }).data).toEqualTypeOf<Ref<{ baz: string } | null>>()
expectTypeOf(useAsyncData('api-union', () => $fetch('/api/union')).data).toEqualTypeOf<Ref<{ type: 'a', foo: string } | { type: 'b', baz: string } | null>>()
expectTypeOf(useAsyncData('api-union-with-pick', () => $fetch('/api/union'), { pick: ['type'] }).data).toEqualTypeOf<Ref<{ type: 'a' } | { type: 'b' } | null>>()
expectTypeOf(useAsyncData('api-other', () => $fetch('/api/other')).data).toEqualTypeOf<Ref<unknown>>()
expectTypeOf(useAsyncData<TestResponse>('api-generics', () => $fetch('/test')).data).toEqualTypeOf<Ref<TestResponse | null>>()
@ -34,6 +37,8 @@ describe('API routes', () => {
expectTypeOf(useLazyAsyncData('lazy-api-hello', () => $fetch('/api/hello')).data).toEqualTypeOf<Ref<string | null>>()
expectTypeOf(useLazyAsyncData('lazy-api-hey', () => $fetch('/api/hey')).data).toEqualTypeOf<Ref<{ foo: string, baz: string } | null>>()
expectTypeOf(useLazyAsyncData('lazy-api-hey-with-pick', () => $fetch('/api/hey'), { pick: ['baz'] }).data).toEqualTypeOf<Ref<{ baz: string } | null>>()
expectTypeOf(useLazyAsyncData('lazy-api-union', () => $fetch('/api/union')).data).toEqualTypeOf<Ref<{ type: 'a', foo: string } | { type: 'b', baz: string } | null>>()
expectTypeOf(useLazyAsyncData('lazy-api-union-with-pick', () => $fetch('/api/union'), { pick: ['type'] }).data).toEqualTypeOf<Ref<{ type: 'a' } | { type: 'b' } | null>>()
expectTypeOf(useLazyAsyncData('lazy-api-other', () => $fetch('/api/other')).data).toEqualTypeOf<Ref<unknown>>()
expectTypeOf(useLazyAsyncData<TestResponse>('lazy-api-generics', () => $fetch('/test')).data).toEqualTypeOf<Ref<TestResponse | null>>()
@ -45,6 +50,8 @@ describe('API routes', () => {
expectTypeOf(useFetch('/api/hello').data).toEqualTypeOf<Ref<string | null>>()
expectTypeOf(useFetch('/api/hey').data).toEqualTypeOf<Ref<{ foo: string, baz: string } | null>>()
expectTypeOf(useFetch('/api/hey', { pick: ['baz'] }).data).toEqualTypeOf<Ref<{ baz: string } | null>>()
expectTypeOf(useFetch('/api/union').data).toEqualTypeOf<Ref<{ type: 'a', foo: string } | { type: 'b', baz: string } | null>>()
expectTypeOf(useFetch('/api/union', { pick: ['type'] }).data).toEqualTypeOf<Ref<{ type: 'a' } | { type: 'b' } | null>>()
expectTypeOf(useFetch('/api/other').data).toEqualTypeOf<Ref<unknown>>()
expectTypeOf(useFetch<TestResponse>('/test').data).toEqualTypeOf<Ref<TestResponse | null>>()
@ -54,7 +61,8 @@ describe('API routes', () => {
expectTypeOf(useLazyFetch('/api/hello').data).toEqualTypeOf<Ref<string | null>>()
expectTypeOf(useLazyFetch('/api/hey').data).toEqualTypeOf<Ref<{ foo: string, baz: string } | null>>()
expectTypeOf(useLazyFetch('/api/hey', { pick: ['baz'] }).data).toEqualTypeOf<Ref<{ baz: string } | null>>()
expectTypeOf(useLazyFetch('/api/other').data).toEqualTypeOf<Ref<unknown>>()
expectTypeOf(useLazyFetch('/api/union').data).toEqualTypeOf<Ref<{ type: 'a', foo: string } | { type: 'b', baz: string } | null>>()
expectTypeOf(useLazyFetch('/api/union', { pick: ['type'] }).data).toEqualTypeOf<Ref<{ type: 'a' } | { type: 'b' } | null>>()
expectTypeOf(useLazyFetch('/api/other').data).toEqualTypeOf<Ref<unknown>>()
expectTypeOf(useLazyFetch<TestResponse>('/test').data).toEqualTypeOf<Ref<TestResponse | null>>()