dev: rebase on a less personalized neovim flake

modules/theme/config.nix

@@ -0,0 +1,11 @@
+{ pkgs, config, lib, ... }:
+with lib; {
+  config = {
+    vim.theme = {
+      enable = mkDefault false;
+      name = mkDefault "onedark";
+      style = mkDefault "darker";
+      extraConfig = mkDefault "";
+    };
+  };
+}

modules/theme/default.nix

@@ -0,0 +1,11 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: {
+  imports = [
+    ./theme.nix
+    ./config.nix
+  ];
+}

modules/theme/supported_themes.nix

@@ -0,0 +1,33 @@
+{
+  onedark = {
+    setup = { style ? "dark" }: ''
+      -- OneDark theme
+      require('onedark').setup {
+        style = "${style}"
+      }
+      require('onedark').load()
+    '';
+    styles = [ "dark" "darker" "cool" "deep" "warm" "warmer" ];
+  };
+
+  tokyonight = {
+    setup = { style ? "night" }: ''
+      -- need to set style before colorscheme to apply
+      vim.g.tokyonight_style = '${style}'
+      vim.cmd[[colorscheme tokyonight]]
+    '';
+    styles = [ "day" "night" "storm" ];
+  };
+
+  catppuccin = {
+    setup = { style ? "mocha" }: ''
+      -- Catppuccin theme
+      require('catppuccin').setup {
+        flavour = "${style}"
+      }
+      -- setup must be called before loading
+      vim.cmd.colorscheme "catppuccin"
+    '';
+    styles = [ "latte" "frappe" "macchiato" "mocha" ];
+  };
+}

modules/theme/theme.nix

@@ -0,0 +1,40 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with lib.attrsets;
+with builtins; let
+  cfg = config.vim.theme;
+  supported_themes = import ./supported_themes.nix;
+in {
+  options.vim.theme = {
+    enable = mkOption {
+      type = types.bool;
+      description = "Enable Theme";
+    };
+
+    name = mkOption {
+      type = types.enum (attrNames supported_themes);
+      description = "Supported themes can be found in `supported_themes.nix`";
+    };
+
+    style = mkOption {
+      type = with types; enum supported_themes.${cfg.name}.styles;
+      description = "Specific style for theme if it supports it";
+    };
+
+    extraConfig = mkOption {
+      type = with types; lines;
+      description = "Additional lua configuration to add before setup";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    vim.startPlugins = [cfg.name];
+    vim.luaConfigRC.themeSetup = nvim.dag.entryBefore ["theme"] cfg.extraConfig;
+    vim.luaConfigRC.theme = supported_themes.${cfg.name}.setup {style = cfg.style;};
+  };
+}