70 lines
2.2 KiB
Nix
70 lines
2.2 KiB
Nix
# SPDX-FileCopyrightText: 2025 Ethan Reece <contact@ethanreece.com>
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#
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# SPDX-License-Identifier: LGPL-3.0-or-later
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{ module-name, ... }:
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{ flake-parts-lib, lib, ... }:
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{
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options.perSystem = flake-parts-lib.mkPerSystemOption (
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{ config, pkgs, ... }:
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{
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options.languages.${module-name} = {
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enable = lib.mkEnableOption "Haskell";
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package = lib.mkOption {
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description = ''
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Package for Haskell.
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'';
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type = lib.types.package;
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default = pkgs.ghc;
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};
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};
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config = lib.mkIf config.languages.${module-name}.enable ({
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editors.helix.languages = {
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language = [
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{
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name = "haskell";
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language-servers = [
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"haskell-language-server"
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]
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++ (lib.optionals config.languages.en-us.enable [
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"vale-ls"
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"harper-ls"
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"typos"
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]);
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formatter = {
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command = "${config.treefmt.build.wrapper}/bin/treefmt";
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args = [
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"--stdin"
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"%{buffer_name}"
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"--quiet"
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];
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};
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auto-format = true;
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# TODO: https://github.com/tree-sitter/tree-sitter-haskell/issues/144
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grammar = "";
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}
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];
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# TODO: See https://github.com/helix-editor/helix/issues/13586, this workaround does not work
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# grammar = [
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# {
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# name = "haskell";
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# source = {
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# git = "https://github.com/tree-sitter/tree-sitter-haskell";
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# rev = "af32d884088ce7b74541b5e51820baa7e305caae";
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# };
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# }
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# ];
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language-server.haskell-language-server = {
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command = "${pkgs.haskell-language-server}/bin/haskell-language-server-wrapper";
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args = [ "--lsp" ];
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};
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};
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treefmt.programs.fourmolu.enable = true;
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devshells.default.packages = [
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config.languages.haskell.package
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pkgs.haskell-language-server
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];
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});
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}
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);
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}
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