cnix/modules/home/programs/helix/languages.nix

{
  pkgs,
  lib,
  ...
}:
{
  programs.helix.languages = {
    language =
      let
        deno = lang: {
          command = lib.getExe pkgs.deno;
          args = [
            "fmt"
            "-"
            "--ext"
            lang
          ];
        };

        prettier = lang: {
          command = "prettier";
          args = [
            "--parser"
            lang
          ];
        };
        prettierLangs = map (e: {
          name = e;
          formatter = prettier e;
        });
        langs = [
          "css"
          "scss"
          "html"
        ];
      in
      [
        {
          name = "bash";
          auto-format = true;
          formatter = {
            command = lib.getExe pkgs.shfmt;
            args = [
              "-i"
              "2"
            ];
          };
        }
        {
          name = "fish";
          auto-format = true;
        }
        {
          name = "clojure";
          injection-regex = "(clojure|clj|edn|boot|yuck)";
          file-types = [
            "clj"
            "cljs"
            "cljc"
            "clje"
            "cljr"
            "cljx"
            "edn"
            "boot"
            "yuck"
          ];
        }
        # {
        #   name = "cmake";
        #   auto-format = true;
        #   language-servers = ["cmake-language-server"];
        #   formatter = {
        #     command = lib.getExe pkgs.cmake-format;
        #     args = ["-"];
        #   };
        # }
        {
          name = "lua";
          auto-format = true;
          language-servers = [ "lua-language-server" ];
          formatter = {
            command = lib.getExe pkgs.stylua;
          };
        }
        # {
        #   name = "javascript";
        #   auto-format = true;
        #   language-servers = ["dprint" "typescript-language-server"];
        # }
        {
          name = "json";
          formatter = deno "json";
        }
        {
          name = "common-lisp";
          file-types = [ "kbd" ];
          auto-format = true;
        }
        {
          name = "markdown";
          auto-format = true;
          formatter = deno "md";
        }
        {
          name = "nix";
          auto-format = true;
          language-servers = [ "nil" ];
          formatter = {
            command = "${pkgs.nixfmt}/bin/nixfmt";
            args = [ "-q" ];
          };
        }
        # {
        #   name = "python";
        #   language-servers = ["pylsp"];
        #   formatter = {
        #     command = lib.getExe pkgs.black;
        #     args = ["-" "--quiet" "--line-length 100"];
        #   };
        # }
        {
          name = "qml";
          auto-format = true;
          language-servers = [ "qmlls" ];
        }
        # {
        #   name = "typescript";
        #   auto-format = true;
        #   language-servers = ["dprint" "typescript-language-server"];
        # }
        # {
        #   name = "php";
        #   auto-format = true;
        #   language-servers = ["phpactor"];
        #   formatter = {
        #     command = lib.getExe pkgs.php84Packages.php-cs-fixer;
        #   };
        # }
        {
          name = "css";
          auto-format = true;
          language-servers = [ "vscode-css-language-server" ];
        }
        {
          name = "rust";
          auto-format = true;
          file-types = [ "rs" ];
          language-servers = [ "rust-analyzer" ];
          formatter = {
            command = lib.getExe pkgs.rustfmt;
          };
        }
      ]
      ++ prettierLangs langs;

    language-server = {
      phpactor = {
        command = lib.getExe pkgs.phpactor;
        args = [ "language-server" ];
      };

      bash-language-server = {
        command = lib.getExe pkgs.bash-language-server;
        args = [ "start" ];
      };

      clangd = {
        command = "${pkgs.clang-tools}/bin/clangd";
        clangd.fallbackFlags = [ "-std=c++2b" ];
      };

      # cmake-language-server = {
      #   command = lib.getExe pkgs.cmake-language-server;
      # };

      lua-language-server = {
        command = lib.getExe pkgs.lua-language-server;
      };

      deno-lsp = {
        command = lib.getExe pkgs.deno;
        args = [ "lsp" ];
        environment.NO_COLOR = "1";
        config.deno = {
          enable = true;
          lint = true;
          unstable = true;
          suggest = {
            completeFunctionCalls = false;
            imports = {
              hosts."https://deno.land" = true;
            };
          };
          inlayHints = {
            enumMemberValues.enabled = true;
            functionLikeReturnTypes.enabled = true;
            parameterNames.enabled = "all";
            parameterTypes.enabled = true;
            propertyDeclarationTypes.enabled = true;
            variableTypes.enabled = true;
          };
        };
      };

      # dprint = {
      #   command = lib.getExe pkgs.dprint;
      #   args = ["lsp"];
      # };

      qmlls = {
        command = "${pkgs.qt6.qtdeclarative}/bin/qmlls";
        args = [ "-E" ];
      };

      # pyright = {
      #   command = "${pkgs.pyright}/bin/pyright-langserver";
      #   args = ["--stdio"];
      #   config = {
      #     reportMissingTypeStubs = false;
      #     analysis = {
      #       typeCheckingMode = "basic";
      #       autoImportCompletions = true;
      #     };
      #   };
      # };

      typescript-language-server = {
        command = lib.getExe pkgs.nodePackages.typescript-language-server;
        args = [ "--stdio" ];
        config =
          let
            inlayHints = {
              includeInlayEnumMemberValueHints = true;
              includeInlayFunctionLikeReturnTypeHints = true;
              includeInlayFunctionParameterTypeHints = true;
              includeInlayParameterNameHints = "all";
              includeInlayParameterNameHintsWhenArgumentMatchesName = true;
              includeInlayPropertyDeclarationTypeHints = true;
              includeInlayVariableTypeHints = true;
            };
          in
          {
            typescript-language-server.source = {
              addMissingImports.ts = true;
              fixAll.ts = true;
              organizeImports.ts = true;
              removeUnusedImports.ts = true;
              sortImports.ts = true;
            };

            typescript = { inherit inlayHints; };
            javascript = { inherit inlayHints; };

            hostInfo = "helix";
          };
      };

      vscode-css-language-server = {
        command = "${pkgs.vscode-langservers-extracted}/bin/vscode-css-language-server";
        args = [ "--stdio" ];
        config = {
          provideFormatter = true;
          css.validate.enable = true;
          scss.validate.enable = true;
        };
      };
    };
  };
}