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type-fns

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A set of types, type checks, and type guards for simpler, safer, and easier to read code.

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/** * asserts that an object has a uuid */ export type HasUuid<T> = T & { uuid: string; }; /** * checks whether not an object that may have a uuid does have the uuid, at runtime */ export declare const hasUuid: <T extends { uuid?: undefined | string; }>(obj: T) => obj is HasUuid<T>;