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Undo broken when deleting multiple blocks in a stack #2097

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RoboErikG opened this issue Oct 30, 2018 · 1 comment
Closed

Undo broken when deleting multiple blocks in a stack #2097

RoboErikG opened this issue Oct 30, 2018 · 1 comment

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@RoboErikG
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Problem statement

If you delete a stack of blocks (via delete all for instance) the undo stack ends up in a bad state.

Expected Behavior

Can delete a stack of blocks and then undo it.

Actual Behavior

Can't undo the deletion correctly, just get the first block.

Steps to Reproduce

  1. On develop version of playground, create a stack of blocks
  2. delete all blocks through the right click meno.
  3. Undo

Stack Traces

block_events.js:286 Can't uncreate non-existent block: wmiK%..C4a9ME{sFJN?m
Blockly.Events.Create.run @ block_events.js:286

Replace with error stack trace.

Operating System and Browser

Additional Information
@RoboErikG
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Same root cause as #2096

@rachel-fenichel rachel-fenichel mentioned this issue Dec 14, 2018
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@RoboErikG