tidy up package.json

package.json

@@ -24,8 +24,7 @@
   "exports": {
     ".": {
       "types": "./esm/index.d.ts",
-            "import": "./esm/index.js",
-            "require": "./commonjs/index.js"
+      "import": "./esm/index.js"
     }
   },
   "license": "MIT",
@@ -45,7 +44,6 @@
     "@typescript-eslint/eslint-plugin": "*",
     "@typescript-eslint/parser": "*",
     "@vitest/ui": "^0.26.3",
-    "benchmark": "*",
     "dtslint": "*",
     "eslint": "*",
     "eslint-config-prettier": "*",
@@ -53,7 +51,9 @@
     "eslint-plugin-import": "*",
     "eslint-plugin-prettier": "*",
     "prettier": "*",
+    "typedoc": "^0.23.23",
     "typescript": "^4.9.4",
+    "updeep": "^1.2.1",
     "vitest": "^0.26.3"
   }
 }