nvf: init (#939)

Link: https://github.com/danth/stylix/pull/939

Reviewed-by: NAHO <90870942+trueNAHO@users.noreply.github.com>

modules/nvf/darwin.nix

@@ -0,0 +1 @@
+import ./nvf.nix

modules/nvf/hm.nix

@@ -0,0 +1 @@
+import ./nvf.nix

modules/nvf/nixos.nix

@@ -0,0 +1 @@
+import ./nvf.nix

modules/nvf/nvf.nix

@@ -0,0 +1,60 @@
+{
+  config,
+  lib,
+  options,
+  ...
+}:
+let
+  cfg = config.stylix.targets.nvf;
+in
+{
+  options.stylix.targets.nvf = {
+    enable = config.lib.stylix.mkEnableTarget "nvf" true;
+    plugin = lib.mkOption {
+      type = lib.types.enum [
+        "base16"
+        "mini-base16"
+      ];
+      default = "base16";
+      description = "Plugin used for the colorscheme";
+    };
+    transparentBackground = lib.mkEnableOption "background transparency for the main Neovim window";
+  };
+
+  config =
+    lib.mkIf (config.stylix.enable && cfg.enable && options.programs ? nvf)
+      (
+        lib.optionalAttrs (options.programs ? nvf) {
+          programs.nvf.settings.vim = {
+            theme = {
+              enable = true;
+              name = cfg.plugin;
+              base16-colors = {
+                inherit (config.lib.stylix.colors.withHashtag)
+                  base00
+                  base01
+                  base02
+                  base03
+                  base04
+                  base05
+                  base06
+                  base07
+                  base08
+                  base09
+                  base0A
+                  base0B
+                  base0C
+                  base0D
+                  base0E
+                  base0F
+                  ;
+              };
+              transparent = cfg.transparentBackground;
+            };
+            statusline = lib.mkIf (cfg.plugin == "base16") {
+              lualine.theme = "base16";
+            };
+          };
+        }
+      );
+}