00949-medium-anyof.ts

// ============= Test Cases =============
import type { Equal, Expect } from "./test-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, [], {}, undefined, null]>, false>>,
  Expect<Equal<AnyOf<[]>, false>>
];

// ============= Your Code Here =============
type AnyOf<T extends readonly any[]> = T[number] extends
  | false
  | 0
  | ""
  | []
  | Record<string, never>
  | undefined
  | null
  ? false
  : true;

type test1 = AnyOf<[0, "", false, [], {}, undefined, null]>;
type test2 = AnyOf<[{}]>;