Is there a way to dump all the lived objects in heap memory in Node js?

As title, I have encountered a memory leak problem in loopback framework on Node js. I can't find any problem from request API call. So I wonder that is there any way I can dump all the objects and variables in heap memory in NodeJs when the memory usage is constantly arising, so that I can find any clue in my code.

Thanks.

via Wess Wang