nixeovim/modules/plugins/style/nvim-treesitter.nix

123 lines
3.5 KiB
Nix

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