Function createAvailabilityByPackage

Creates availability by package

createAvailabilityByPackage(
    items: SavedItineraryInventoryItem[],
    packageLevel: PackageLevel,
    exchangeRate: number,
): undefined | Availability
Parameters
- items: SavedItineraryInventoryItem[]
  array of inventory items
- packageLevel: PackageLevel
- exchangeRate: number
Returns undefined | Availability
availability by package
- Defined in packages/services/src/services/Itineraries/utils/availability.utils.ts:240