improve: Move highlighted code to newly created cells

[wasimxyz]

📝 Summary

Implements #2474.

🔍 Description of Changes

When a new cell is created, any highlighted code is cut from the original cell and pasted into the new cell.

📋 Checklist

• [x] I have read the contributor guidelines.
• [x] For large changes, or changes that affect the public API: this change was discussed or approved through an issue, on Discord, or the community discussions (Please provide a link if applicable).
• [x] I have added tests for the changes made.
• [x] I have run the code and verified that it works as expected.

📜 Reviewers

@akshayka OR @mscolnick

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[wasimxyz]

@akshayka Good catch thanks!

[mscolnick]

@wasimsandhu - can you verify this works with SQL and markdown? We probably have to do something similar to splitEditor. could we also write a test similar to splitEditor(utils.test.ts) and splitCell (cells.test.ts)

[wasimxyz]

can you verify this works with SQL and markdown?

When editing a SQL/markdown cell and triggering a create new cell above/below (via button or shortcut), a Python cell is created. Do we want to change this behavior so that a cell of the same type is created? (This makes sense to me.)

[mscolnick]

When editing a SQL/markdown cell and triggering a create new cell above/below (via button or shortcut), a Python cell is created. Do we want to change this behavior so that a cell of the same type is created? (This makes sense to me.)

This might take some getting used to. I would keep it python for new cells, but keep the same language for "yanked" cells. thoughts? is that weird ux?

[wasimxyz]

This might take some getting used to. I would keep it python for new cells, but keep the same language for "yanked" cells.

Works for me!

[github-actions[bot]]

🚀 Development release published. You may be able to view the changes at https://marimo.app?v=0.9.2-dev17