project-nvim: init plugin (#55)

plugins/utils/project-nvim.nix

@@ -0,0 +1,78 @@
+{ pkgs, config, lib, ... }:
+with lib;
+let
+  cfg = config.plugins.project-nvim;
+  helpers = import ../helpers.nix { inherit lib; };
+in
+{
+  options.plugins.project-nvim = {
+    enable = mkEnableOption "Enable project.nvim";
+
+    manualMode = mkOption {
+      type = types.nullOr types.bool;
+      default = null;
+    };
+
+    detectionMethods = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+    };
+
+    patterns = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+    };
+
+    ignoreLsp = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+    };
+
+    excludeDirs = mkOption {
+      type = types.nullOr (types.listOf types.str);
+      default = null;
+    };
+
+    showHidden = mkOption {
+      type = types.nullOr types.bool;
+      default = null;
+    };
+
+    silentChdir = mkOption {
+      type = types.nullOr types.bool;
+      default = null;
+    };
+
+    scopeChdir = mkOption {
+      type = types.nullOr (types.enum [ "global" "tab" "win" ]);
+      default = null;
+    };
+
+    dataPath = mkOption {
+      type = types.nullOr (types.either types.str helpers.rawType);
+      default = null;
+    };
+  };
+
+  config =
+    let
+      options = {
+        manual_mode = cfg.manualMode;
+        detection_methods = cfg.detectionMethods;
+        patterns = cfg.patterns;
+        ignore_lsp = cfg.ignoreLsp;
+        exclude_dirs = cfg.excludeDirs;
+        show_hidden = cfg.showHidden;
+        silent_chdir = cfg.silentChdir;
+        scope_schdir = cfg.scopeChdir;
+        data_path = cfg.dataPath;
+      };
+    in
+    mkIf cfg.enable {
+      extraPlugins = [ pkgs.vimPlugins.project-nvim ];
+
+      extraConfigLua = ''
+        require('project_nvim').setup(${helpers.toLuaObject options})
+      '';
+    };
+}