Undo/Redo : wrong node position about diagram-maker HOT 2 CLOSED

Apologies for the late response.

The way undo redo functionality is implemented in Diagram Maker is by only marking some actions that go into the undo redo history. Those are create & delete actions, so any other changes are not retained inside the undo redo history. See the relevant code here: https://github.com/awslabs/diagram-maker/blob/master/src/state/middleware/undoMiddleware.ts#L11-L27.

We can internally start tracking all actions instead of a few actions, the problem is that when moving nodes, it doesnt generate a single action, but a series of actions, and it can take up the entire stack of history and we have no good way of coalescing those actions for purposes of undo redo. We need to find a way to coalescing the move actions and then expose either a configuration option or change the default behavior to start tracking all actions.

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Sorry, we are not planning to act on this request in any timely manner and will be closing this issue. Thank you.

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