Function assertWrapMonthNumber

assertWrapMonthNumber(input: number, failureMessage?: string): MonthNumber
Asserts that the input is a valid month number.
Parameters
- input: number
- OptionalfailureMessage: string
Returns MonthNumber
The input if the assertion succeeds.

Throws
AssertionError If the assertion fails.
- Defined in packages/duration/src/units/unit-assertions.ts:128