build(package): refactor eslint.config.mjs

Author: remarkablemark

eslint.config.mjs

@@ -1,52 +1,40 @@
-import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import { fileURLToPath } from 'node:url';
+
+import { includeIgnoreFile } from '@eslint/compat';
+import eslint from '@eslint/js';
+import { defineConfig } from 'eslint/config';
 import prettier from 'eslint-plugin-prettier';
 import simpleImportSort from 'eslint-plugin-simple-import-sort';
 import tsdoc from 'eslint-plugin-tsdoc';
 import globals from 'globals';
-import tsParser from '@typescript-eslint/parser';
-import path from 'node:path';
-import { fileURLToPath } from 'node:url';
-import js from '@eslint/js';
-import { FlatCompat } from '@eslint/eslintrc';
-import { includeIgnoreFile } from '@eslint/compat';
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-const gitignorePath = path.resolve(__dirname, '.gitignore');
+import tseslint from 'typescript-eslint';
 
-const compat = new FlatCompat({
-  baseDirectory: __dirname,
-  recommendedConfig: js.configs.recommended,
-  allConfig: js.configs.all,
-});
+const gitignorePath = fileURLToPath(new URL('.gitignore', import.meta.url));
 
-export default [
+export default defineConfig([
   includeIgnoreFile(gitignorePath),
+
   {
     ignores: ['dist/'],
   },
 
-  ...compat.extends(
-    'eslint:recommended',
-    'plugin:@typescript-eslint/recommended',
-  ),
-
   {
-    files: ['**/*.js', '**/*.ts'],
+    files: ['**/*.{js,mjs,cjs,ts,mts,cts}'],
 
     plugins: {
-      '@typescript-eslint': typescriptEslint,
-      prettier,
       'simple-import-sort': simpleImportSort,
+      eslint,
+      prettier,
       tsdoc,
     },
 
+    extends: ['eslint/recommended'],
+
     languageOptions: {
       globals: {
         ...globals.node,
         ...globals.jest,
       },
-      parser: tsParser,
     },
 
     rules: {
@@ -60,4 +48,6 @@ export default [
       'tsdoc/syntax': 'error',
     },
   },
-];
+
+  tseslint.configs.recommended,
+]);

package-lock.json

@@ -28,8 +28,6 @@
     "@eslint/js": "9.28.0",
     "@types/jest": "29.5.14",
     "@types/node": "22.15.30",
-    "@typescript-eslint/eslint-plugin": "8.33.1",
-    "@typescript-eslint/parser": "8.33.1",
     "@vercel/ncc": "0.38.3",
     "eslint": "9.28.0",
     "eslint-plugin-prettier": "5.4.1",
@@ -41,7 +39,8 @@
     "lint-staged": "16.1.0",
     "prettier": "3.5.3",
     "ts-jest": "29.3.4",
-    "typescript": "5.8.3"
+    "typescript": "5.8.3",
+    "typescript-eslint": "8.33.1"
   },
   "private": true,
   "license": "MIT"