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attitude/tsEmptyRestCheck.ts

Created May 3, 2024 11:10
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Utility that makes sure the rest object is empty (according to Typescript) and all properties are used
Raw
tsEmptyRestCheck.ts
type NoExtraKeys<T, U extends PropertyKey> = {
[K in keyof T]: K extends U ? T[K] : never;
};
function tsEmptyRestCheck<
U extends PropertyKey,
T extends Record<PropertyKey, unknown>
>(
_object: NoExtraKeys<T, U>,
..._ignored: Array<U>
): void {
// noop
}
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