vim: Add square bracket commands

[saahityaedams]

Closes #17177 #4316

Release Notes:

N/A

[zed-industries-bot]

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📖	This PR includes links to the following GitHub Issues: #17177, #4316 If this PR aims to close an issue, please include a Closes #ISSUE line at the top of the PR body.

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[saahityaedams]

@ConradIrwin I took a stab at implementing the square bracket vim commands and had a query.

Does ]] mean moving to the next { at the zeroth column for ALL file extension ? Can it be configured ? The documentation here isn't very clear.

[ConradIrwin]

In vim I believe that is how it works. I would like to do better than that, but it's not (yet) clear to me how to map tree-sitter node names to methods in a reliable cross-language way.

[feltcute]

In vim I believe that is how it works. I would like to do better than that, but it's not (yet) clear to me how to map tree-sitter node names to methods in a reliable cross-language way.

These keybinds for treesitter nodes are done in Helix (Vim Unimpaired inspired) and Ki Editor to more advanced extents, the latter of which is also in Rust and uses treesitter as its fundamental technology for its modal structure, may serve as useful reference. I try to broadly cover the topic of the state of treesitter based bindings in-depth in a Discussions comment.