[Feature Request] Add support for ws.send_event to a clientside EventBus
@T4rk1n 已经在做这个了。
开始于 2026年9月16日。
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描述
The persistent ws callbacks really are great! But I'm missing one feature, the ability to send data directly to clientside JS code.
Is your feature request related to a problem? Please describe.
I have persistent ws-callbacks that sends updates with ws.set_props. Some of the updates needs to run plain JS code (I'm modifies a SVG in realtime based on ws updates)
Describe the solution you'd like
It would be great if the websocket update also could write to an eventbus that js-code can hook on to and listen to.
Describe alternatives you've considered
I've been exploring sending updates via a dcc.Storage and have a clientside callback that act on changes on the dcc.Storage but, this have limitations in rates, if I send updates (with ws.set_props) too frequently some messages are lost, the clientside callback never gets fired. Now we have a asyncio.sleep(0.1) to allow some time for the clientside to pick up the changes. The best solution here would be a channel directly to the JS-code.
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