/// <summary>
/// Maps source object to result type.
/// </summary>
/// <param name="mapper">The mapper instance.</param>
/// <param name="resultType">The result type.</param>
/// <param name="source">The source object.</param>
/// <param name="tag">The object used to send additional paramaters for the mapping code.</param>
/// <returns>The mapped object.</returns>
public static object Map(this MapperInstance mapper, Type resultType, object source, object tag = null)
{
if (!TryExistingMappings(mapper, resultType, source, tag, out object targetObject))
{
targetObject = mapper.DefaultMap(source, resultType, tag);
}
return(targetObject);
}