Unreal.js: How to set a static mesh?

In C++ I did it like this, but how do I accomplish the same thing in JavaScript?

#.h

UStaticMeshComponent* CardComp;
UStaticMesh* CardSM;

#.cpp

static ConstructorHelpers::FObjectFinder<UStaticMesh> StaticMeshObj(TEXT("StaticMesh'/Game/Assets/Meshes/SM_Card_02.SM_Card_02'"));

CardSM = StaticMeshObj.Object;
CardComp = ObjectInitializer.CreateDefaultSubobject < UStaticMeshComponent >(this, TEXT("CardComp1"));
CardComp->SetStaticMesh(CardSM);

CardComp->AttachSocketName = FName(TEXT("TheCardComp"));

RootComponent = CardComp;