CheckShippingEligibilityCheckerFn

A function which implements logic to determine whether a given Order is eligible for a particular shipping method. Once a ShippingMethod has been assigned to an Order, this function will be called on every change to the Order (e.g. updating quantities, adding/removing items etc).

If the code running in this function is expensive, then consider also defining a ShouldRunCheckFn to avoid unnecessary calls.

type CheckShippingEligibilityCheckerFn<T extends ConfigArgs> = (    ctx: RequestContext,    order: Order,    args: ConfigArgValues<T>,    method: ShippingMethod,) => boolean | Promise<boolean>