theluyuan/vue3-yuanma
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix(types): fix using tuple type as EmitsOptions (#2160)

Browse Source 
fix #2159
This commit is contained in:
wonderful-panda 2020-09-22 23:05:37 +09:00 committed by GitHub
parent 6aa2256913
commit 5dbd6b36a0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
packages/runtime-core/src/componentEmits.ts
View File

@ -28,8 +28,8 @@ export type EmitsOptions = ObjectEmitsOptions | string[]
export type EmitFn< export type EmitFn<
Options = ObjectEmitsOptions, Options = ObjectEmitsOptions,
Event extends keyof Options = keyof Options Event extends keyof Options = keyof Options
> = Options extends any[] > = Options extends Array<infer V>
? (event: Options[0], ...args: any[]) => void ? (event: V, ...args: any[]) => void
: {} extends Options // if the emit is empty object (usually the default value for emit) should be converted to function : {} extends Options // if the emit is empty object (usually the default value for emit) should be converted to function
? (event: string, ...args: any[]) => void ? (event: string, ...args: any[]) => void
: UnionToIntersection< : UnionToIntersection<

9
test-dts/functionalComponent.test-d.tsx
View File

@ -63,3 +63,12 @@ const Baz: FunctionalComponent<{}, string[]> = (props, { emit }) => {
} }
expectType<Component>(Baz) expectType<Component>(Baz)
const Qux: FunctionalComponent<{}, ['foo', 'bar']> = (props, { emit }) => {
emit('foo')
emit('foo', 1, 2)
emit('bar')
emit('bar', 1, 2)
}
expectType<Component>(Qux)