Working on modularizing stuff, again

modules/shell/toolset/fzf.nix

@@ -0,0 +1,53 @@
+{ config, options, lib, pkgs, ... }:
+let
+  inherit (lib.attrsets) optionalAttrs;
+  inherit (lib.modules) mkIf;
+in
+{
+  options.modules.shell.toolset.fzf = let
+    inherit (lib.options) mkEnableOption;
+  in { enable = mkEnableOption "TUI Fuzzy Finder."; };
+
+  config = mkIf config.modules.shell.toolset.fzf.enable {
+    hm.programs.fzf = let
+      defShell = config.modules.shell.default;
+    in {
+      enable = true;
+      enableBashIntegration = true;
+      enableZshIntegration = defShell == "zsh";
+      enableFishIntegration = defShell == "fish";
+
+      tmux.enableShellIntegration = true;
+      tmux.shellIntegrationOptions = ["-d 40%"];
+
+      defaultCommand = "fd --type f";
+      defaultOptions = ["--height 40%" "--border"];
+
+      changeDirWidgetCommand = "fd --type d";
+      changeDirWidgetOptions = ["--preview 'tree -C {} | head -200'"];
+
+      fileWidgetCommand = "fd --type f";
+      fileWidgetOptions = ["--preview 'head {}'"];
+      historyWidgetOptions = ["--sort" "--exact"];
+
+      colors = let
+        inherit (config.modules.themes) active;
+        inherit (config.modules.themes.colors.main) normal types;
+      in
+        mkIf (active != null) {
+          bg = "${types.bg}";
+          "bg+" = "${types.bg}";
+          fg = "${types.border}";
+          "fg+" = "${types.border}";
+          hl = "${normal.red}";
+          "hl+" = "${normal.red}";
+          header = "${normal.red}";
+          marker = "${normal.magenta}";
+          info = "${normal.magenta}";
+          prompt = "${types.border}";
+          spinner = "${types.panelbg}";
+          pointer = "${types.border}";
+        };
+    };
+  };
+}