modules: add hop-nvim module

module-list.nix

@@ -14,6 +14,7 @@
   ./modules/plugins/theme/catppuccin.nix
   ./modules/plugins/style/neoformat.nix
   ./modules/plugins/style/nvim-treesitter.nix
+  ./modules/plugins/navigation/hop-nvim.nix
   ./modules/plugins/navigation/telescope.nix
   ./modules/plugins/navigation/nvim-tree.nix
   ./modules/plugins/gitsigns.nix

modules/plugins/navigation/hop-nvim.nix

@@ -0,0 +1,57 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.plugins.navigation.hop-nvim;
+in
+{
+  options.plugins.navigation.hop-nvim = with lib; {
+    enable = mkEnableOption "hop-nvim";
+
+    package = mkPackageOption pkgs.vimPlugins "hop-nvim" { };
+
+    settings = mkOption {
+      type = types.attrs;
+      default = { };
+    };
+
+    keymap.set = mkOption {
+      type = with types; functionTo (listOf keymap);
+      default = dir: [ ];
+      defaultText = literalExpression "dir: []";
+      example = literalExpression ''
+        { after, before }: [
+          { lhs = "<leader>hc"; rhs = "<CMD>HopChar1<CR>"; }
+          {
+            lhs = "<leader>hf";
+            rhs = lambda0 (call "hop.hint_char1" {
+              direction = after;
+              current_line_only = true;
+            });
+          }
+          {
+            lhs = "<leader>hF";
+            rhs = lambda0 (call "hop.hint_char1" {
+              direction = before;
+              current_line_only = true;
+            });
+          }
+        ]
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    plugin.hop-nvim = {
+      name = "hop";
+      extraImports = { hop_hint = "hop.hint"; };
+      package = cfg.package;
+      setupSettings = cfg.settings;
+    };
+
+    vim.keymap.set = with lib.nix2lua; cfg.keymap.set {
+      after = var "hop_hint.HintDirection.AFTER_CURSOR";
+      before = var "hop_hint.HintDirection.BEFORE_CURSOR";
+    };
+  };
+
+}