Callback when a heartbeat has come or gone

[StareStarrySky]

• Please see FAQs at https://stomp-js.github.io/faqs/2019/05/20/faqs.html before reporting.

The necessity of two new Properties named onHeartbeatIn and onHeartbeatOut likely add into the Client CLASS, when a heartbeat has come or gone?

I want to show a blinking light means heartbeat ping and pong, however there's no problem if don't have this function for me.
Wait for other conditions if exist and necessary.

[kum-deepak]

This is not a planned feature. Please submit a PR if you need this implemented.

There is an alternate way to achieve this. It is possible to wrap the underlying WebSocket and extend its behavior. Please look at the test cases in the library source code for an example of how it can be developed and used. You can just copy the code from there.

In your wrapper, you can watch for packets coming in and out to create the blinking lights.