fix(types): align emits type with vue-next

Author: antfu

src/component/componentOptions.ts

@@ -8,6 +8,13 @@ export { ComponentPropsOptions } from './componentProps'
 export type ComputedGetter<T> = (ctx?: any) => T
 export type ComputedSetter<T> = (v: T) => void
 
+export type ObjectEmitsOptions = Record<
+  string,
+  ((...args: any[]) => any) | null
+>
+
+export type EmitsOptions = ObjectEmitsOptions | string[]
+
 export interface WritableComputedOptions<T> {
   get: ComputedGetter<T>
   set: ComputedSetter<T>
@@ -63,7 +70,7 @@ export type ComponentOptionsWithProps<
   Props = ExtractPropTypes<PropsOptions>
 > = ComponentOptionsBase<Props, D, C, M> & {
   props?: PropsOptions
-  emits?: string[] | Record<string, null | ((emitData: any) => boolean)>
+  emits?: (EmitsOptions | string[]) & ThisType<void>
   setup?: SetupFunction<Props, RawBindings>
 } & ThisType<ComponentRenderProxy<Props, RawBindings, D, C, M>>
 
@@ -76,7 +83,7 @@ export type ComponentOptionsWithArrayProps<
   Props = Readonly<{ [key in PropNames]?: any }>
 > = ComponentOptionsBase<Props, D, C, M> & {
   props?: PropNames[]
-  emits?: string[] | Record<string, null | ((emitData: any) => boolean)>
+  emits?: (EmitsOptions | string[]) & ThisType<void>
   setup?: SetupFunction<Props, RawBindings>
 } & ThisType<ComponentRenderProxy<Props, RawBindings, D, C, M>>
 
@@ -88,7 +95,7 @@ export type ComponentOptionsWithoutProps<
   M extends MethodOptions = {}
 > = ComponentOptionsBase<Props, D, C, M> & {
   props?: undefined
-  emits?: string[] | Record<string, null | ((emitData: any) => boolean)>
+  emits?: (EmitsOptions | string[]) & ThisType<void>
   setup?: SetupFunction<Props, RawBindings>
 } & ThisType<ComponentRenderProxy<Props, RawBindings, D, C, M>>