profiles: add interface settings to the recommended-plugins

module-list.nix

@@ -12,6 +12,7 @@
   ./modules/plugin.nix
   ./modules/fn.nix
 
+  ./modules/plugins/interface/colorizer.nix
   ./modules/plugins/interface/lualine.nix
   ./modules/plugins/language-server/lspconfig.nix
   ./modules/plugins/navigation/hop-nvim.nix

modules/plugin.nix

@@ -32,7 +32,7 @@ let
         default = "setup";
       };
       setupSettings = mkOption {
-        type = nullOr attrs;
+        type = nullOr (either attrs (listOf anything));
         default = null;
       };
       afterSetup = mkOption {

modules/plugins/interface/colorizer.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (builtins) attrNames hasAttr;
+  inherit (lib.nix2lua) nf;
+
+  cfg = config.plugins.interface.colorizer;
+
+  pkgs'.nvim-colorizer-lua = pkgs.vimUtils.buildVimPlugin {
+    name = "nvim-colorizer-lua";
+    version = "2020-06-11";
+
+    src = pkgs.fetchFromGitHub {
+      owner = "norcalli";
+      repo = "nvim-colorizer.lua";
+      rev = "36c610a9717cc9ec426a07c8e6bf3b3abcb139d6";
+      hash = "sha256-6YrnItxExL2C8pNIdLd+hXCjsB2MbZANwWkah6dreD8=";
+    };
+  };
+
+  allFiletypes = lib.unique (cfg.filetypes ++ (attrNames cfg.settings.byFiletype));
+  allFiletypesWithSettings = map
+    (ft:
+      if ft != "*" && !(lib.hasPrefix "!" ft) && hasAttr ft cfg.settings.byFiletype
+      then nf ft cfg.settings.byFiletype.${ft}
+      else ft
+    )
+    allFiletypes;
+
+in
+{
+  options.plugins.interface.colorizer = with lib; {
+    enable = mkEnableOption "nvim-colorizer-lua";
+    package = mkPackageOption pkgs' "nvim-colorizer-lua" { };
+
+    filetypes = mkOption {
+      type = with types; listOf str;
+      default = [ ];
+      example = [ "*" "!vim" ];
+      description = ''
+        See: https://github.com/norcalli/nvim-colorizer.lua?tab=readme-ov-file#customization
+      '';
+    };
+
+    settings = {
+      byFiletype = mkOption {
+        type = with types; attrsOf attrs;
+        default = { };
+        example = {
+          css = { rgb_fn = true; };
+          html = { names = false; };
+        };
+        description = ''
+          See: https://github.com/norcalli/nvim-colorizer.lua?tab=readme-ov-file#customization
+        '';
+      };
+
+      overrideDefaults = mkOption {
+        type = types.attrs;
+        default = { };
+        example = {
+          mode = "foreground";
+        };
+        description = ''
+          See: https://github.com/norcalli/nvim-colorizer.lua?tab=readme-ov-file#customization
+        '';
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    # Plugin is required to enable 24-bit color
+    vim.opt.termguicolors = true;
+
+    plugin.nvim-colorizer-lua = {
+      name = "colorizer";
+      package = cfg.package;
+      setupSettings = [
+        (if allFiletypesWithSettings == [ ] then [ "*" ] else allFiletypesWithSettings)
+        cfg.settings.overrideDefaults
+      ];
+    };
+  };
+}

modules/profiles/recommended-plugins.nix

@@ -5,7 +5,25 @@ let inherit (lib.nix2lua) nf; in
   plugin.editorconfig-nvim.isDependency = lib.mkDefault true;
 
   plugins = {
-    interface.lualine = {
+    interface = {
+      colorizer = {
+        enable = lib.mkDefault true;
+
+        filetypes = lib.mkDefault [ "*" ];
+
+        settings = {
+          byFiletype = lib.mkDefault {
+            css = { css = true; };
+            scss = { css = true; };
+            sass = { css = true; };
+            less = { css = true; };
+          };
+          overrideDefaults = lib.mkDefault {
+            names = false;
+          };
+        };
+      };
+      lualine = {
         enable = lib.mkDefault true;
         settings = lib.mkDefault {
           sections = {
@@ -20,6 +38,7 @@ let inherit (lib.nix2lua) nf; in
           };
         };
       };
+    };
 
     language-server.lspconfig.enable = lib.mkDefault true;