John Cowen 82a2f206dc ui: Ensure an EventSource isn't opened if closed before first tick (#5703)
EventSources will wait for 1 tick before 'opening'. There is always the
chance that the EventSource is '.close()'ed before that tick. We
therefore check the 'readyState' before opening the EventSource
2019-09-04 08:34:59 +00:00
..
2019-05-01 18:22:37 +00:00
2019-07-05 09:07:25 +01:00