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.
- Defined in source/data/nil.ts:78