type-fest/test-d/unknown-set.ts
2025-05-08 15:21:25 +07:00

21 lines
643 B
TypeScript

import {expectAssignable, expectNotAssignable} from 'tsd';
import type {UnknownSet} from '../index.d.ts';
declare const foo: ReadonlySet<string>;
declare const bar: {
readonly set: ReadonlySet<number>;
};
expectAssignable<UnknownSet>(foo);
expectAssignable<UnknownSet>(bar.set);
expectAssignable<UnknownSet>(new Set());
expectAssignable<UnknownSet>(new Set('foo'));
expectNotAssignable<UnknownSet>(null);
expectNotAssignable<UnknownSet>(undefined);
expectNotAssignable<UnknownSet>({});
expectNotAssignable<UnknownSet>([]);
expectNotAssignable<UnknownSet>({0: 1});
expectNotAssignable<UnknownSet>(1);
expectNotAssignable<UnknownSet>(Date);