Pause stream until another stream ends

[m...@gmjs.ru]

Assume that I have a button, which produces EventStream of clicks. When it is clicked, I spawn another stream, which may work for some time. I need the button to stop sending stream events (discard them) until my spawned stream ends.
Is there built-in functions for stream to wait for another stream?

[Juha Paananen]

I suppose you’re doing something like

    var workerE = clickE.flatMap(spawnNewWorkerStream)

This will spawn a new worker for each click. You can simply change it to

    var workerE = clickE.flatMapFirst(spawnNewWorkerStream)

.. and you should be fine! See https://github.com/baconjs/bacon.js/#observable-flatmapfirst

Btw, I think you’ll generally get a better response by using Stack Overflow instead of Groups :)

-juha-

On 20 Feb 2016, at 12:22 , m...@gmjs.ru wrote:

Assume that I have a button, which produces EventStream of clicks. When it is clicked, I spawn another stream, which may work for some time. I need the button to stop sending stream events (discard them) until my spawned stream ends.
Is there built-in functions for stream to wait for another stream?

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