feat: nixvim refactor

modules/home-manager/programs/nixvim/presets/languages/js.nix

@@ -0,0 +1,48 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}:
+let
+  cfg = config.presets.languages.js;
+in
+{
+  options.presets.languages.js = {
+    enable = lib.mkEnableOption "JS";
+    eslint = lib.mkEnableOption "ESLint";
+    npm = lib.mkEnableOption "NPM package completion";
+  };
+
+  config = lib.mkIf cfg.enable {
+    extraConfigLua = lib.mkIf cfg.npm ''
+      require("cmp-npm").setup({})
+    '';
+    plugins = {
+      lspkind = lib.mkIf cfg.npm {
+        cmp.after = ''
+          function(entry, vim_item, kind)
+            if entry.source.name == "npm" then
+              kind.kind = ""
+              kind.kind_hl_group = "CmpItemKindNpm"
+            end
+            kind.kind = kind.kind .. " "
+            return kind
+          end
+        '';
+      };
+      cmp.settings.sources = lib.mkIf cfg.npm [
+        {
+          name = "npm";
+          keywordLength = 4;
+          priority = 10;
+        }
+      ];
+      lsp.servers = {
+        tsserver.enable = true;
+        eslint.enable = lib.mkIf cfg.eslint true;
+      };
+    };
+    extraPackages = [ pkgs.nodePackages.typescript-language-server ];
+  };
+}