js如何实现这种操作,get(obj,'k1','k2','k3').then((v)=>cons

Question

类似下面这种代码

get(obj,'k1','k2','k3')
    .then((v)=>console.log(v))
    .else(()=>console.log('值为空'));

实现下面这种代码的功能

if(obj && obj.k1 && obj.k1.k2 && obj.k1.k2.k3){    console.log(obj.k1.k2.k3);
}else{    console.log('值为空')
}