type-challenges-judge

Type Challenges Judge

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AnyOf

提出詳細

type Falsy = false | 0 | "" | [] | null | undefined | Record<string,never>
type AnyOf<T extends readonly any[]> = 1 extends {
  [K in keyof T]: T[K] extends Falsy ? never : 1
}[number] ? true : false

提出日時	2023-09-14 12:55:04
問題	AnyOf
ユーザー	sankantsu
ステータス	Accepted

テストケース

import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<AnyOf<[1, 'test', true, [1], { name: 'test' }, { 1: 'test' }]>, true>>,
  Expect<Equal<AnyOf<[1, '', false, [], {}]>, true>>,
  Expect<Equal<AnyOf<[0, 'test', false, [], {}]>, true>>,
  Expect<Equal<AnyOf<[0, '', true, [], {}]>, true>>,
  Expect<Equal<AnyOf<[0, '', false, [1], {}]>, true>>,
  Expect<Equal<AnyOf<[0, '', false, [], { name: 'test' }]>, true>>,
  Expect<Equal<AnyOf<[0, '', false, [], { 1: 'test' }]>, true>>,
  Expect<Equal<AnyOf<[0, '', false, [], { name: 'test' }, { 1: 'test' }]>, true>>,
  Expect<Equal<AnyOf<[0, '', false, [], {}]>, false>>,
  Expect<Equal<AnyOf<[]>, false>>,
]