Pick a subset of keys from an object in a type-safe fashion

pick.ts

/**
 * Pick a subset of keys from an object in a type-safe fashion
 * @param obj
 * @param keys
 */
export function pick<T, K extends Array<keyof T>>(
	obj: T,
	keys: K
): Pick<T, K[number]> {
	return Object.fromEntries(
		keys.filter(key => key in obj).map(key => [key, obj[key]])
	) as Pick<T, K[number]>;
}