nvf/modules/plugins/treesitter/config.nix
Thales Menato e0f6fe7a2a
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treesitter: attempt to adapt to (breaking) Nixpkgs changes (#1315)
* feat: update from builtGrammars to grammarPlugins

* fix: renamed packages

* chore: revert back the configs part

* wip: try using config

* chore: update flake

* docs: update release-note

---------

Co-authored-by: raf <raf@notashelf.dev>
2026-01-05 16:07:31 +00:00

95 lines
3.7 KiB
Nix

{
config,
lib,
options,
...
}: let
inherit (lib.modules) mkIf mkMerge;
inherit (lib.lists) optionals;
inherit (lib.nvim.binds) mkSetBinding addDescriptionsToMappings;
inherit (lib.nvim.lua) toLuaObject;
inherit (lib.nvim.dag) entryBefore entryAfter;
cfg = config.vim.treesitter;
mappingDefinitions = options.vim.treesitter.mappings;
mappings = addDescriptionsToMappings cfg.mappings mappingDefinitions;
in {
config = mkIf cfg.enable {
vim = {
startPlugins = ["nvim-treesitter"];
# cmp-treesitter doesn't work on blink.cmp
autocomplete.nvim-cmp = mkIf config.vim.autocomplete.nvim-cmp.enable {
sources = {treesitter = "[Treesitter]";};
sourcePlugins = ["cmp-treesitter"];
};
treesitter.grammars = optionals cfg.addDefaultGrammars cfg.defaultGrammars;
maps = {
# HACK: Using mkSetLuaBinding and putting the lua code does not work for some reason: It just selects the whole file.
# This works though, and if it ain't broke, don't fix it.
normal = mkSetBinding mappings.incrementalSelection.init ":lua require('nvim-treesitter.incremental_selection').init_selection()<CR>";
visualOnly = mkMerge [
(mkSetBinding mappings.incrementalSelection.incrementByNode "<cmd>lua require('nvim-treesitter.incremental_selection').node_incremental()<CR>")
(mkSetBinding mappings.incrementalSelection.incrementByScope "<cmd>lua require('nvim-treesitter.incremental_selection').scope_incremental()<CR>")
(mkSetBinding mappings.incrementalSelection.decrementByNode "<cmd>lua require('nvim-treesitter.incremental_selection').node_decremental()<CR>")
];
};
# For some reason treesitter highlighting does not work on start if this is set before syntax on
pluginRC.treesitter-fold = mkIf cfg.fold (entryBefore ["basic"] ''
-- This is required by treesitter-context to handle folds
vim.o.foldmethod = "expr"
vim.o.foldexpr = "nvim_treesitter#foldexpr()"
-- This is optional, but is set rather as a sane default.
-- If unset, opened files will be folded by automatically as
-- the files are opened
vim.o.foldenable = false
'');
pluginRC.treesitter = entryAfter ["basic"] ''
require('nvim-treesitter.config').setup {
-- Disable imperative treesitter options that would attempt to fetch
-- grammars into the read-only Nix store. To add additional grammars here
-- you must use the `config.vim.treesitter.grammars` option.
auto_install = false,
sync_install = false,
ensure_installed = {},
-- Indentation module for Treesitter
indent = {
enable = ${toLuaObject cfg.indent.enable},
disable = ${toLuaObject cfg.indent.disable},
},
-- Highlight module for Treesitter
highlight = {
enable = ${toLuaObject cfg.highlight.enable},
disable = ${toLuaObject cfg.highlight.disable},
additional_vim_regex_highlighting = ${toLuaObject cfg.highlight.additionalVimRegexHighlighting},
},
-- Indentation module for Treesitter
-- Keymaps are set to false here as they are
-- handled by `vim.maps` entries calling lua
-- functions achieving the same functionality.
incremental_selection = {
enable = ${toLuaObject cfg.incrementalSelection.enable},
disable = ${toLuaObject cfg.incrementalSelection.disable},
keymaps = {
init_selection = false,
node_incremental = false,
scope_incremental = false,
node_decremental = false,
},
},
}
'';
};
};
}