refactor: font config

modules/fonts.nix

@@ -0,0 +1,47 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+lib.my.makeSwitch {
+  inherit config;
+  default = true;
+  optionName = "default font settings";
+  optionPath = [ "fonts" ];
+  config' = {
+    fonts = {
+      enableDefaultPackages = false;
+      fontDir.enable = true;
+
+      packages = with pkgs; [
+        noto-fonts
+        noto-fonts-cjk-sans
+        noto-fonts-emoji
+
+        jetbrains-mono
+
+        nerd-fonts.symbols-only
+      ];
+
+      fontconfig.defaultFonts = {
+        serif = [
+          "Noto Serif CJK SC"
+          "Noto Serif"
+          "Symbols Nerd Font"
+        ];
+        sansSerif = [
+          "Noto Sans CJK SC"
+          "Noto Sans"
+          "Symbols Nerd Font"
+        ];
+        monospace = [
+          "JetBrains Mono"
+          "Noto Sans Mono CJK SC"
+          "Symbols Nerd Font Mono"
+        ];
+        emoji = [ "Noto Color Emoji" ];
+      };
+    };
+  };
+}