chore: dogfooding the new config

.eslintrc.js

@@ -1,5 +1,7 @@
 /**
  * @author Toru Nagashima
+ * @deprecated
+ * @description the file is no longer used, and will be removed in the future.
  * See LICENSE file in root directory for full license.
  */
 "use strict"

configs/recommended-script.js

@@ -9,6 +9,6 @@ const { configs, rules } = require("../lib/index.js")
 
 module.exports = {
     plugins: { n: { rules } },
-    languageOptions: { sourceType: "script" },
+    languageOptions: { sourceType: "commonjs" },
     rules: configs["recommended-script"].rules,
 }

eslint.config.js

@@ -0,0 +1,27 @@
+/**
+ * @author 唯然<[email protected]>
+ */
+"use strict"
+
+const js = require("@eslint/js")
+const { FlatCompat } = require("@eslint/eslintrc")
+const globals = require("globals")
+const nodeRecommended = require("eslint-plugin-n/configs/recommended-script")
+
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+})
+
+module.exports = [
+    ...compat.extends(
+        "eslint:recommended",
+        "plugin:eslint-plugin/recommended",
+        "prettier"
+    ),
+    nodeRecommended,
+    {
+        languageOptions: { globals: globals.mocha },
+        linterOptions: { reportUnusedDisableDirectives: true },
+    },
+]

package.json

@@ -14,16 +14,18 @@
         "eslint": ">=7.0.0"
     },
     "dependencies": {
+        "@eslint-community/eslint-utils": "^4.4.0",
         "builtins": "^5.0.1",
         "eslint-plugin-es-x": "^6.1.0",
-        "@eslint-community/eslint-utils": "^4.4.0",
         "ignore": "^5.1.1",
         "is-core-module": "^2.12.0",
         "minimatch": "^3.1.2",
         "resolve": "^1.22.2",
         "semver": "^7.5.0"
     },
     "devDependencies": {
+        "@eslint/eslintrc": "^2.0.2",
+        "@eslint/js": "^8.38.0",
         "@typescript-eslint/parser": "^5.59.0",
         "codecov": "^3.3.0",
         "esbuild": "^0.17.17",