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[dagit] Only show GanttChart websocket message if closed

Authored by dish on Mar 31 2021, 1:57 PM.



Since my change to add debouncing on Websocket status changes, an undesired effect is that the initial connection takes the debounced amount of time to take effect for components that observe the Websocket status.

A resulting bug: when kicking off a new run, the Websocket status message on the Gantt chart briefly flashes while the context state is still "Connecting".

To resolve this, just use the CLOSED state to determine whether to show the message. This is more correct than using OPEN anyway, since CONNECTING and CLOSING are still not "closed."

A more thorough solution would probably be to use debouncing only when the Websocket has closed, but otherwise update immediately. This should make things better for now, though.

Test Plan

Kick off a run, verify that the Gantt chart websocket warning does not appear.

Diff Detail

R1 dagster
Lint Not Applicable
Tests Not Applicable

Event Timeline

dgibson published this revision for review.Mar 31 2021, 1:58 PM
dgibson accepted this revision.
This revision is now accepted and ready to land.Mar 31 2021, 1:58 PM