Function: preCondition()

Function: preCondition() API reference from @automapper/core.

@automapper/core

preCondition<TSource, TDestination, TSelectorReturn>(predicate, defaultValue?): PreConditionReturn<TSource, TDestination, TSelectorReturn>

Defined in: packages/core/src/lib/member-map-functions/pre-condition.ts:8

Type Parameters

TSource

TSource extends Dictionary<TSource>

TDestination

TDestination extends Dictionary<TDestination>

TSelectorReturn

TSelectorReturn = unknown

Parameters

predicate

ConditionPredicate<TSource>

defaultValue?

TSelectorReturn

Returns

PreConditionReturn<TSource, TDestination, TSelectorReturn>