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title = "I Redid My NeoVim Configuration"
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date = 2022-01-19
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[taxonomies]
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tags = ["vim", "neovim", "nvim", "config", "lsp", "treesitter"]
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+++
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For some obscure reason, my NeoVim install decided it didn't want to
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display LSP warnings anymore. So I redid the whole configuration.
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<!-- more -->
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Believe me, I didn't do 'cause "OMG, so broken". I guess I could have tracked
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the problem to the way
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[LanguageClient](https://github.com/autozimu/LanguageClient-neovim) was
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installed -- it could be even out-of-date, 'cause I updated to NeoVim 0.6
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recently -- but I also wanted to install the TreeSitter support, for better
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highlight. Those two factors were enough to me to try a different
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configuration, so I decided to do the full thing and rewrite the whole
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configuration file, using the Lua format.
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I started with the [post of Takuya
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Matsuyama](https://blog.inkdrop.app/how-to-set-up-neovim-0-5-modern-plugins-lsp-treesitter-etc-542c3d9c9887),
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just as reference -- I'm not a user of a package manager (and
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there may lie the problem with some outdated plugin) and I really prefer to
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work with submodules and whatnot -- a way that is pretty close to what
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[Pathogen](https://github.com/tpope/vim-pathogen) does.
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As I wanted to move some things from my old configuration to the new, I had to
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search on how to "translate" those. That's where I found [a post by Heiker
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Curiel](https://vonheikemen.github.io/devlog/tools/configuring-neovim-using-lua/),
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which lists old configuration options and how they appear in the Lua config.
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The result is that I have a brand sparkling NeoVim install, with all the bells
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and wristles:
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The whole configuration file is [in my personal Git
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repo](https://git.juliobiason.me/dotfiles.git/tree/nvim).
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### What was left out?
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When migrating, I few things I did not add in this new configuration:
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- Fuzzy find: Previously I was using [Skim](https://github.com/lotabout/skim)
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for opening files with fuzzy find (e.g., type a few letters, see a list of
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the files with those letters). The Vim plugin for it was a bit flaky
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(sometimes it would completely ignore the typed input, which I think it meant
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it crashed somehow). But, 'cause I used only when bored, I decided that I
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won't use a fuzzy find; my favourite way of finding files is using the `-`
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shortcut, which I set to open `:Ex`.
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- Snippets: [UltiSnips](https://github.com/sirver/UltiSnips) was not working
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before, so I decided not to try it again. I'll probably look at some other
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option in the future.
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- Per FileType configuration: Previously I had a bunch of autocommands to set
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specific configuration for each file type (e.g., Python files should always
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use spaces instead of tabs, but HTML should use tabs instead of spaces). I
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left it out mostly 'cause there is no Lua support for such commands yet, as
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far as I know (you can run VimScript commands still, but I'm being a bit
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retentive about mixing those).
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- Auto-trim lines: My previous configuration used an autocommand for running a
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regular expression that would remove all tailing spaces in the lines. Because
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I use Rust mostly these days and the LSP configuration can run the
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autoformatter (`rustfmt`, in this case) and this already remove tailing
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spaces, I decided to leave this option out for now.
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