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Move try-catch on transformation method from engine debug tools to transformations code #4379

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scofalik opened this issue Jul 24, 2018 · 1 comment · Fixed by ckeditor/ckeditor5-engine#1497
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Move try-catch on transformation method from engine debug tools to transformations code #4379

scofalik opened this issue Jul 24, 2018 · 1 comment · Fixed by ckeditor/ckeditor5-engine#1497
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@scofalik
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package:engine type:improvement This issue reports a possible enhancement of an existing feature.
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iteration 20

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@scofalik
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This is a follow-up after OT refactor PR:
ckeditor/ckeditor5-engine#1459

OT is a fragile part of our code which may crash as it is very difficult to come up with all the possible scenarios. Since now, in engine debug tools we had a mechanism that put a try-catch wrap around transformation function.

It may be better to move it straight to transformations code and have it active all the time, not only with engine debug enabled.

Also, there's a possibility that it will simplify some tests and we could export functions in model/operation/transform.js as functions, not as an object.
@scofalik scofalik self-assigned this Jul 24, 2018
@pjasiun
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pjasiun commented Jul 25, 2018 •
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See https://github.com/ckeditor/ckeditor5-engine/pull/1459/files#r203017635.

pjasiun referenced this issue in ckeditor/ckeditor5-engine Aug 9, 2018
Merge pull request #1497 from ckeditor/t/ot-followups
74f00e9 
Other: Moved error logging from debug tools to OT code.
Other: Aligned `Schema#getValidRanges` results to changes in `AttributeOperation`.
Other: Unified `RemoveOperation` and `ReinsertOperation` to have just one `MoveOperation`.
Other: Simplified `LiveRange#event:change` second parameter which is now an object containing `Position` not an `Operation`.
Internal: Operational transformations refactor followups. 
Internal: Additional improvements for the new OT algorithms.
Internal: Added relations to better solve cases in undo.
Internal: Improved cloning mechanism inside `WrapOperation`.
Internal: Improved `model.Range#getTransformedByMergeOperation`.
Internal: Other improvements in OT algorithms.
Internal: Improvements in docs.

Closes #1468. Closes #1464. Closes #1467. Closes #1460. Closes #1461. Closes #1462. Closes #1463. Closes #1475. Closes #1479.

BREAKING CHANGE: `LiveRange#event:change` second parameter is now an object containing property `deletionPosition`. It can be `model.Position` instance, if the range was moved to the graveyard root. The position is equal to the position from which nodes were removed. Otherwise, it is set to `null`.

BREAKING CHANGE: `Schema#getValidRanges` will return only flat ranges now. If an attribute is allowed on some nodes and in those nodes children, multiple "nested" ranges will be returned.

BREAKING CHANGE: `Schema#getValidRanges` is a generator now.
@mlewand mlewand transferred this issue from ckeditor/ckeditor5-engine Oct 9, 2019
@mlewand mlewand added this to the iteration 20 milestone Oct 9, 2019
@mlewand mlewand added module:model type:improvement This issue reports a possible enhancement of an existing feature. package:engine labels Oct 9, 2019
This was referenced Oct 11, 2019
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package:engine type:improvement This issue reports a possible enhancement of an existing feature.
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Milestone
iteration 20
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@pjasiun @scofalik @mlewand