build please?

home/programs/ags/flake.nix

@@ -1,46 +1,52 @@
 {
-  description = "ags config";
+    description = "ags config";
 
-  inputs = {
+    inputs = {
 
-    ags.url = "github:Aylur/ags";
-
-  };
-
-  outputs = { self, ... }@inputs: {
-
-    hmModule = { config, lib, pkgs, ... }: {
-
-      imports = [ inputs.ags.homeManagerModules.default ];
-
-      programs.ags = {
-        enable = true;
-
-        extraPackages = with pkgs; [
-          gtksourceview
-          webkitgtk
-          accountsservice
-        ];
-      };
-
-      home.file.".config/ags/launcher.js".text = ''
-        function Launcher() {
-          return Widget.EventBox({
-            class_name: "launcher",
-	    hpack: "center",
-	    child: Widget.Icon({
-              icon: '${pkgs.nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake.png',
-	      css: 'font-size: 24px;'
-	    }),
-	    on_primary_click: () => {Utils.execAsync('rofi -show drun')},
-	    margin_left: 10,
-	  })
-	}
-
-	export default Launcher
-      '';
+        ags.url = "github:Aylur/ags";
 
     };
 
-  };
+    outputs = { self, ... }@inputs: {
+
+        hmModule = { config, lib, pkgs, ... }: {
+
+            imports = [ inputs.ags.homeManagerModules.default ];
+
+            options.homeconfig.ags.enable = lib.options.mkOption {
+                type = lib.types.bool;
+                default = false;
+            };
+
+            config = lib.mkIf config.homeconfig.ags.enable {
+                programs.ags = {
+                    enable = true;
+
+                    extraPackages = with pkgs; [
+                        gtksourceview
+                        webkitgtk
+                        accountsservice
+                    ];
+                };
+
+                home.file.".config/ags/launcher.js".text = /*javascript*/ ''
+                function Launcher() {
+                    return Widget.EventBox({
+                        class_name: "launcher",
+                        hpack: "center",
+                        child: Widget.Icon({
+                            icon: '${pkgs.nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake.png',
+                            css: 'font-size: 24px;'
+                        }),
+                        on_primary_click: () => {Utils.execAsync('rofi -show drun')},
+                        margin_left: 10,
+                    })
+                }
+
+                export default Launcher
+                '';
+
+            };
+        };
+    };
 }