clover's git

the-knife

1	import type { Input } from "../Input.ts";
2	import { type Output, isOutput } from "../Output.ts";
3	import type { IsAny } from "./types.ts";
4
5	// @ts-expect-error - we want to allow any value to be checked for unknown
6	export const isUnknown = <V>(value: V): value is Output<Input.Resolve<V>> =>
7	isOutput(value);
8
9	export type IsUnknown<T> = unknown extends T
10	? IsAny<T> extends true
11	? false
12	: true
13	: false;
14
15	export type UnknownKeys<T> = {
16	[K in keyof T]: IsUnknown<T[K]> extends true ? K : never;
17	}[keyof T];
18
19	export type ExcludeUnknown<T> = IsUnknown<T> extends true ? never : T;