jspreadsheet / jspreadsheet/ce
Bug: Undo fails when selection includes a readonly column
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- JavaScript
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Description
First off - jExcel is amazing, I can't imagine the amount of work that must have went into it.
I've noticed that when I try to delete a selection that includes a readonly cell then undo the delete action the cells after the readonly column don't get restored and an error Cannot read property 'col' of undefined is shown. Here is a short video that demonstrates this behaviour:
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the undo failure by deleting a selection that includes a readonly cell, using the linked video as the behavioral reference. Trace the undo handling for that selection; done means cells after the readonly column are restored and no “Cannot read property 'col' of undefined” error appears.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100