Function mustExistAll

  • mustExistAll<TSubject>(
        subjects: Maybe<TSubject>[],
        errorMessage?: string,
    ): TSubject[]

  • Ensure that all passed subjects are not nil; throw otherwise.

    Type Parameters

    • TSubject

      The type a the subject.

    Parameters

    • subjects: Maybe<TSubject>[]

      The subjects that are possibly nil.

    • OptionalerrorMessage: string

      An optional error message to throw when a subject is nil.

    Returns TSubject[]

    The subjects, if they aren't nil.

    Throws

    UnexpectedNilError When a subject is nil.

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