mirror of
https://github.com/ArthurDanjou/ui.git
synced 2026-01-14 12:14:41 +01:00
14 lines
533 B
TypeScript
14 lines
533 B
TypeScript
import { expectTypeOf } from 'vitest'
|
|
import type { VNode } from 'vue'
|
|
|
|
/**
|
|
* Expect the type of a component emit payload.
|
|
*/
|
|
export function expectEmitPayloadType<T extends VNode, E extends keyof Events<T>>(_event: E, _cb: () => T) {
|
|
return expectTypeOf<NonNullable<Events<T>[E]>>()
|
|
}
|
|
|
|
type Events<T> = T extends { __ctx?: { props: infer Props } } ? {
|
|
[K in keyof Props as K extends `on${infer E}${infer Rest}` ? `${Lowercase<E>}${Rest}` : never]: NonNullable<Props[K]> extends (...args: infer P) => any ? P : never
|
|
} : never
|