Add experimental prepareForHotExit method for custom editors #88948
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For #88719
Adds an experimental
prepareForHotExit
method to the custom editor API proposal. This method allows custom editors to hook in to VS Code's hot exit behaviorIf
prepareForHotExit
is not implemented, VS Code will assume that the custom editor cannot be hot exited.If
prepareForHotExit
is implemented, VS Code will invoke the method after every edit (this is debounced). At this point, this extension should back up the current resource. The result is a promise indicating if the backup was successful or notVS Code will only hot exit if all backups were successful.
This is only a first draft of the potential API. I'm working on testing this with the example custom editor extensions. Some open questions:
prepareForHotExit
provide enough for extensions to impement hot exit?