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00006-hard-simple-vue.ts
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00006-hard-simple-vue.ts
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// ============= Test Cases =============
import type { Equal, Expect } from './test-utils'
SimpleVue({
data() {
// @ts-expect-error
this.firstname
// @ts-expect-error
this.getRandom()
// @ts-expect-error
this.data()
return {
firstname: 'Type',
lastname: 'Challenges',
amount: 10,
}
},
computed: {
fullname() {
return `${this.firstname} ${this.lastname}`
},
},
methods: {
getRandom() {
return Math.random()
},
hi() {
alert(this.amount)
alert(this.fullname.toLowerCase())
alert(this.getRandom())
},
test() {
const fullname = this.fullname
const cases: [Expect<Equal<typeof fullname, string>>] = [] as any
},
},
})
// ============= Your Code Here =============
type Computed<T> = {
[k in keyof T]: T[k] extends () => infer R ? R : never
}
declare function SimpleVue<D, C, M>(
options: {
data(this: void): D
computed: C
methods: M
} & ThisType<D & Computed<C> & M>
): any