refactor: migrato to eslint v9

Author: kdev

.eslintrc.json

@@ -0,0 +1,58 @@
+import { FlatCompat } from '@eslint/eslintrc';
+import js from '@eslint/js';
+import typescriptEslint from '@typescript-eslint/eslint-plugin';
+import { defineConfig, globalIgnores } from 'eslint/config';
+import globals from 'globals';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all,
+});
+
+export default defineConfig([
+    globalIgnores(['dist/**', 'node_modules/**', '**/generated/**']),
+    {
+        files: ['**/*.ts'],
+        extends: compat.extends(
+            'eslint:recommended',
+            'plugin:@typescript-eslint/recommended'
+        ),
+
+        plugins: {
+            '@typescript-eslint': typescriptEslint,
+        },
+
+        languageOptions: {
+            globals: {
+                ...globals.node,
+            },
+
+            ecmaVersion: 2020,
+            sourceType: 'module',
+
+            parserOptions: {
+                parser: '@typescript-eslint/parser',
+            },
+        },
+
+        rules: {
+            '@typescript-eslint/consistent-type-imports': 'error',
+
+            '@typescript-eslint/no-unused-vars': [
+                'warn',
+                {
+                    argsIgnorePattern: '^_',
+                },
+            ],
+
+            'guard-for-in': 'error',
+            'no-prototype-builtins': 'off',
+            'semi': ['error', 'always'],
+        },
+    },
+]);

eslint.config.mjs

@@ -9,9 +9,9 @@
         "start": "cross-env NODE_ENV=production && node dist/index.js",
         "dev": "cross-env NODE_ENV=development && tsx src/index.ts",
         "dev:hot": "cross-env NODE_ENV=development && tsx watch src/index.ts",
-        "lint": "prettier --write \"src/**/*.ts\" && eslint --fix . --ext .ts",
+        "lint": "prettier --write \"src/**/*.ts\" && eslint --fix .",
         "lint:prettier": "prettier --write \"src/**/*.ts\"",
-        "lint:eslint": "eslint . --ext .ts",
+        "lint:eslint": "eslint .",
         "commit": "cz",
         "migrate:prod": "prisma migrate deploy",
         "test:api": "npm run build && c8 lab -v",
@@ -44,6 +44,8 @@
     "devDependencies": {
         "@commitlint/cli": "^19.8.1",
         "@commitlint/config-conventional": "^19.8.1",
+        "@eslint/eslintrc": "^3.3.1",
+        "@eslint/js": "^9.38.0",
         "@hapi/code": "^9.0.3",
         "@hapi/iron": "^7.0.1",
         "@hapi/lab": "^25.3.2",
@@ -58,7 +60,8 @@
         "c8": "^10.1.3",
         "cz-conventional-changelog": "^3.3.0",
         "esbuild": "0.25.2",
-        "eslint": "^8.57.1",
+        "eslint": "^9.38.0",
+        "globals": "^16.4.0",
         "husky": "^9.1.7",
         "lint-staged": "^15.5.2",
         "prettier": "^3.6.2",