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ampcpmgp/pick-union-string.ts

Created November 11, 2022 10:31
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pick-union-string.ts
type _Size = "x-small" | "small" | "medium" | "large" | "x-large";
type USToI<T extends string> = {
[P in T]: unknown;
};
export type Size<K extends keyof USToI<_Size>> = keyof Pick<USToI<_Size>, K>;
// Error!
// const size: Size<"small" | "large"> = "medium";
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