convert lua module

modules/plugins/languages/lua.nix

@@ -8,32 +8,13 @@
   inherit (lib.options) mkEnableOption mkOption;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.meta) getExe;
-  inherit (lib.types) bool enum listOf package;
+  inherit (lib.lists) isList;
+  inherit (lib.types) bool either enum listOf package str;
   inherit (lib.nvim.types) diagnostics mkGrammarOption;
+  inherit (lib.nvim.lua) expToLua;
   inherit (lib.nvim.dag) entryBefore;
-  inherit (lib.nvim.attrsets) mapListToAttrs;
 
   cfg = config.vim.languages.lua;
-
-  defaultServers = ["lua-language-server"];
-  servers = {
-    lua-language-server = {
-      enable = true;
-      cmd = [(getExe pkgs.lua-language-server)];
-      filetypes = ["lua"];
-      root_markers = [
-        ".luarc.json"
-        ".luarc.jsonc"
-        ".luacheckrc"
-        ".stylua.toml"
-        "stylua.toml"
-        "selene.toml"
-        "selene.yml"
-        ".git"
-      ];
-    };
-  };
-
   defaultFormat = "stylua";
   formats = {
     stylua = {
@@ -62,11 +43,12 @@ in {
     };
 
     lsp = {
-      enable = mkEnableOption "Lua LSP support" // {default = config.vim.lsp.enable;};
-      servers = mkOption {
-        description = "Lua LSP server to use";
-        type = listOf (enum (attrNames servers));
-        default = defaultServers;
+      enable = mkEnableOption "Lua LSP support via LuaLS" // {default = config.vim.lsp.enable;};
+
+      package = mkOption {
+        description = "LuaLS package, or the command to run as a list of strings";
+        type = either package (listOf str);
+        default = pkgs.lua-language-server;
       };
 
       lazydev.enable = mkEnableOption "lazydev.nvim integration, useful for neovim plugin developers";
@@ -109,17 +91,23 @@ in {
 
     (mkIf cfg.enable (mkMerge [
       (mkIf cfg.lsp.enable {
-        vim.lsp.servers =
-          mapListToAttrs (n: {
-            name = n;
-            value = servers.${n};
-          })
-          cfg.lsp.servers;
+        vim.lsp.lspconfig.enable = true;
+        vim.lsp.lspconfig.sources.lua-lsp = ''
+          lspconfig.lua_ls.setup {
+            capabilities = capabilities;
+            on_attach = default_on_attach;
+            cmd = ${
+            if isList cfg.lsp.package
+            then expToLua cfg.lsp.package
+            else ''{"${getExe cfg.lsp.package}"}''
+          };
+          }
+        '';
       })
 
       (mkIf cfg.lsp.lazydev.enable {
         vim.startPlugins = ["lazydev-nvim"];
-        vim.pluginRC.lazydev = entryBefore ["lsp-servers"] ''
+        vim.pluginRC.lazydev = entryBefore ["lua-lsp"] ''
           require("lazydev").setup({
             enabled = function(root_dir)
               return not vim.uv.fs_stat(root_dir .. "/.luarc.json")