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

20 lines
627 B
TypeScript

import {expectAssignable, expectNotAssignable} from 'tsd';
import type {UnknownMap} from '../index.d.ts';
declare const foo: ReadonlyMap<string, number>;
declare const bar: {
readonly map: ReadonlyMap<number, string>;
};
expectAssignable<UnknownMap>(foo);
expectAssignable<UnknownMap>(bar.map);
expectAssignable<UnknownMap>(new Map());
expectAssignable<UnknownMap>(new Map([['foo', 1]]));
expectNotAssignable<UnknownMap>(null);
expectNotAssignable<UnknownMap>(undefined);
expectNotAssignable<UnknownMap>({});
expectNotAssignable<UnknownMap>([]);
expectNotAssignable<UnknownMap>({0: 1});
expectNotAssignable<UnknownMap>(1);