theme/theme.nix: fix documentation rendering

Co-authored-by: diniamo <55629891+diniamo@users.noreply.github.com>

docs/release-notes/rl-0.7.md

@@ -204,3 +204,8 @@ everyone.
 - Add LSP and Treesitter support for R under `vim.languages.R`.
 - Add Otter support under `vim.lsp.otter` and an assert to prevent conflict with
   ccc
+
+[Bloxx12](https://github.com/Bloxx12)
+
+- Add support for [base16 theming](https://github.com/RRethy/base16-nvim) under
+  `vim.theme`

lib/types/default.nix

@@ -6,12 +6,10 @@
   typesDag = import ./dag.nix {inherit lib;};
   typesPlugin = import ./plugins.nix {inherit inputs lib;};
   typesLanguage = import ./languages.nix {inherit lib;};
-  typesCustom = import ./custom.nix {inherit lib;};
-  typesTheme = import ./theme.nix {inherit lib;};
+  typesTypes = import ./types.nix {inherit lib;};
 in {
   inherit (typesDag) dagOf;
   inherit (typesPlugin) pluginsOpt extraPluginType mkPluginSetupOption luaInline pluginType borderType;
   inherit (typesLanguage) diagnostics mkGrammarOption;
-  inherit (typesCustom) anythingConcatLists char;
-  inherit (typesTheme) hexColorType;
+  inherit (typesTypes) anythingConcatLists char hexColor;
 }

lib/types/theme.nix

@@ -1,14 +0,0 @@
-{lib}: let
-  inherit (lib.strings) isString;
-  inherit (lib.types) mkOptionType;
-  inherit (builtins) match;
-  # This was almost entirely taken from raf himself.
-in {
-  hexColorType = mkOptionType {
-    name = "hex-color";
-    descriptionClass = "noun";
-    description = "RGB color in hex format";
-    # Check to determine wether the provided color is base16-valid
-    check = x: isString x && (match "#[0-9a-fA-F]{6}" x) != null;
-  };
-}

lib/types/types.nix

@@ -1,8 +1,9 @@
 {lib}: let
   inherit (lib) isStringLike showOption showFiles getFiles mergeOneOption mergeEqualOption mkOptionType;
+  inherit (lib.strings) isString;
   inherit (lib.types) anything attrsOf;
   inherit (lib.nvim.types) anythingConcatLists;
-  inherit (builtins) typeOf isAttrs any head concatLists stringLength;
+  inherit (builtins) typeOf isAttrs any head concatLists stringLength match;
 in {
   # HACK: Does this break anything in our case?
   # A modified version of the nixpkgs anything type that concatenates lists
@@ -58,4 +59,11 @@ in {
     check = value: stringLength value < 2;
     merge = mergeEqualOption;
   };
+
+  hexColor = mkOptionType {
+    name = "hex-color";
+    descriptionClass = "noun";
+    description = "RGB color in hex format";
+    check = v: isString v && (match "#?[0-9a-fA-F]{6}" v) != null;
+  };
 }

modules/plugins/theme/base16-colors.nix

@@ -1,69 +0,0 @@
-{lib}: let
-  inherit (lib.options) mkOption;
-  inherit (lib.nvim.types) hexColorType;
-in {
-  base00 = mkOption {
-    type = hexColorType;
-    default = "#1e1e2e";
-  };
-  base01 = mkOption {
-    type = hexColorType;
-    default = "#181825";
-  };
-  base02 = mkOption {
-    type = hexColorType;
-    default = "#313244";
-  };
-  base03 = mkOption {
-    type = hexColorType;
-    default = "#45475a";
-  };
-  base04 = mkOption {
-    type = hexColorType;
-    default = "#585b70";
-  };
-  base05 = mkOption {
-    type = hexColorType;
-    default = "#cdd6f4";
-  };
-  base06 = mkOption {
-    type = hexColorType;
-    default = "#f5e0dc";
-  };
-  base07 = mkOption {
-    type = hexColorType;
-    default = "#b4befe";
-  };
-  base08 = mkOption {
-    type = hexColorType;
-    default = "#f38ba8";
-  };
-  base09 = mkOption {
-    type = hexColorType;
-    default = "#fab387";
-  };
-  base0A = mkOption {
-    type = hexColorType;
-    default = "#a6e3a1";
-  };
-  base0B = mkOption {
-    type = hexColorType;
-    default = "#94e2d5";
-  };
-  base0C = mkOption {
-    type = hexColorType;
-    default = "#a6e3a1";
-  };
-  base0D = mkOption {
-    type = hexColorType;
-    default = "#89b4fa";
-  };
-  base0E = mkOption {
-    type = hexColorType;
-    default = "#cba6f4";
-  };
-  base0F = mkOption {
-    type = hexColorType;
-    default = "#f2cdcd";
-  };
-}

modules/plugins/theme/supported-themes.nix

@@ -5,12 +5,11 @@
   inherit (lib.strings) optionalString;
   inherit (lib.trivial) boolToString warnIf;
   inherit (lib.nvim.lua) toLuaObject;
-  cfg = config.vim.theme;
 in {
   base16 = {
     setup = {base16-colors, ...}: ''
-      -- Base-16 theme
-      require('base16-colorscheme').setup(${toLuaObject cfg.base16-colors})
+      -- Base16 theme
+      require('base16-colorscheme').setup(${toLuaObject base16-colors})
     '';
   };
   onedark = {

modules/plugins/theme/theme.nix

@@ -4,29 +4,46 @@
   ...
 }: let
   inherit (lib.options) mkOption;
-  inherit (lib.attrsets) attrNames;
+  inherit (lib.attrsets) attrNames listToAttrs;
+  inherit (lib.strings) hasPrefix;
   inherit (lib.types) bool lines enum;
   inherit (lib.modules) mkIf;
   inherit (lib.nvim.dag) entryBefore;
+  inherit (lib.nvim.types) hexColor;
 
   cfg = config.vim.theme;
   supportedThemes = import ./supported-themes.nix {
     inherit lib config;
   };
-  base16-colors = import ./base16-colors.nix {
-    inherit lib;
+
+  numbers = ["0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "A" "B" "C" "D" "E" "F"];
+  base16Options = listToAttrs (map (n: {
+      name = "base0${n}";
+      value = mkOption {
+        description = "The base0${n} color to use";
+        type = hexColor;
+        apply = v:
+          if hasPrefix "#" v
+          then v
+          else "#${v}";
       };
+    })
+    numbers);
 in {
   options.vim.theme = {
     enable = mkOption {
       type = bool;
       description = "Enable theming";
     };
-    inherit base16-colors;
     name = mkOption {
       type = enum (attrNames supportedThemes);
-      description = "Supported themes can be found in `supportedThemes.nix`";
+      description = ''
+        Supported themes can be found in {file}`supportedThemes.nix`.
+        Setting the theme to "base16" enables base16 theming and
+        requires all of the colors in {option}`vim.theme.base16-colors` to be set.
+      '';
     };
+    base16-colors = base16Options;
 
     style = mkOption {
       type = enum supportedThemes.${cfg.name}.styles;