124 lines
3.5 KiB
Nix
124 lines
3.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (builtins) attrNames;
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inherit (lib.nix2lua) pipe1 require call0 set;
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cfg = config.plugins.style.nvim-treesitter;
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treesitterWithGrammars = (cfg.treesitter.package.override {
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inherit (cfg) extraGrammars;
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}).withPlugins (p: map (k: p.${k}) (attrNames cfg.extraGrammars));
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nvimTreeSitterWithBuiltinGrammars =
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if cfg.grammars == null then cfg.package.withAllGrammars
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else cfg.package.withPlugins cfg.grammars;
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finalNvimTreeSitter =
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if cfg.extraGrammars == { } then nvimTreeSitterWithBuiltinGrammars
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else
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nvimTreeSitterWithBuiltinGrammars.overrideAttrs (oldAttrs: {
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passthru.dependencies = oldAttrs.passthru.dependencies
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++ (lib.flip lib.mapAttrsToList cfg.extraGrammars (k: { language, ... }:
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pkgs.runCommand "nvim-treesitter-${language}-grammar" { } ''
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mkdir -p $out/parser
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ln -s ${treesitterWithGrammars}/${language}.so $out/parser/${language}.so
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''
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));
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postPatch = oldAttrs.postPatch + (lib.concatLines
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(lib.flip lib.mapAttrsToList cfg.extraGrammars (k: { src, language, ... }:
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''
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if [ -d ${src}/queries ]; then
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ln -s ${src}/queries queries/${language}
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fi
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''
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))
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);
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});
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in
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{
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options.plugins.style.nvim-treesitter = with lib; {
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enable = mkEnableOption "nvim-treesitter";
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package = mkPackageOption pkgs.vimPlugins "nvim-treesitter" { };
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finalPackage = mkOption {
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type = types.package;
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visible = false;
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readOnly = true;
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description = "Resulting customized nvim-treesitter package.";
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};
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treesitter.package = mkPackageOption pkgs "tree-sitter" { };
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grammars = mkOption {
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type = with types; nullOr (functionTo (listOf package));
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default = null;
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};
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extraGrammars = mkOption {
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type = with types; attrsOf attrs;
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default = { };
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};
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settings = mkOption {
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type = types.attrs;
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default = { };
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description = ''
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Settings to configure nvim-treesitter.
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See: https://github.com/nvim-treesitter/nvim-treesitter?tab=readme-ov-file#modules
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- `highlight` and `indent` are enabled by default.
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- `ensure_installed`, `sync_install`, `auto_install` will be ignored.
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'';
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};
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fold.enable = mkEnableOption "use nvim treesitter to fold expression" // { default = true; };
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};
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config = lib.mkIf cfg.enable {
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plugins.style.nvim-treesitter.finalPackage = finalNvimTreeSitter;
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plugin.nvim-treesitter = {
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name = "nvim-treesitter.configs";
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package = finalNvimTreeSitter;
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extraImports = {
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parser_config = pipe1 (require "nvim-treesitter.parsers") (call0 "get_parser_configs");
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};
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beforeSetup = with lib; optionals (cfg.extraGrammars != { }) (
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mapAttrsToList (k: v: set "parser_config.${v.language}" { }) cfg.extraGrammars
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);
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setupSettings = lib.mkMerge [
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# enable hihlight and indent by default
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{
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highlight.enable = true;
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indent.enable = true;
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}
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# apply user settings
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cfg.settings
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# force disable manual installation
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# TODO: warn about that behavior
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{
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ensure_installed = { };
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sync_install = false;
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auto_install = false;
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}
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];
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};
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vim.opt = lib.mkIf cfg.fold.enable {
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foldmethod = "expr";
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foldexpr = "nvim_treesitter#foldexpr()";
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foldenable = lib.mkDefault false; # disable folding at startup
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};
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};
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}
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