btop: use mkTarget

modules/btop/hm.nix

@@ -1,22 +1,27 @@
-{ config, lib, ... }:
 {
-  options.stylix.targets.btop.enable =
-    config.lib.stylix.mkEnableTarget "btop" true;
+  mkTarget,
+  lib,
+  ...
+}:
+mkTarget {
+  name = "btop";
+  humanName = "btop";
 
-  config =
-    lib.mkIf
-      (
-        config.stylix.enable
-        && config.stylix.targets.btop.enable
-        && config.programs.btop.enable
-      )
+  configElements = [
+    (
+      { opacity }:
+      {
+        programs.btop.settings.theme_background = lib.mkIf (
+          opacity.terminal != 1.0
+        ) false;
+      }
+    )
+    (
+      { colors }:
       {
         programs.btop = {
-          settings = {
-            color_theme = "stylix";
-            theme_background = lib.mkIf (config.stylix.opacity.terminal != 1.0) false;
-          };
-          themes.stylix = with config.lib.stylix.colors.withHashtag; ''
+          settings.color_theme = "stylix";
+          themes.stylix = with colors.withHashtag; ''
             #Generated by Stylix
             theme[main_bg]="${base00}"
             theme[main_fg]="${base05}"
@@ -62,5 +67,7 @@
             theme[process_end]="${base08}"
           '';
         };
-      };
+      }
+    )
+  ];
 }