build: migrate eslint.config.js to typescript

eslint.config.js → eslint.config.ts

@@ -2,8 +2,10 @@ import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import js from '@eslint/js';
 import { FlatCompat } from '@eslint/eslintrc';
+import { defineConfig } from 'eslint/config';
 import markdown from 'eslint-plugin-markdown';
 import pluginN from 'eslint-plugin-n';
+// @ts-expect-error - eslint-plugin is not typed yet
 import eslintPlugin from './lib/index.js';
 
 const dirname = path.dirname(fileURLToPath(import.meta.url));
@@ -12,7 +14,7 @@ const compat = new FlatCompat({
   recommendedConfig: js.configs.recommended,
 });
 
-export default [
+export default defineConfig([
   // Global ignores
   {
     ignores: ['node_modules', 'coverage'],
@@ -39,7 +41,6 @@ export default [
       'unicorn/no-array-reduce': 'off',
       'unicorn/no-null': 'off',
       'unicorn/prefer-module': 'off',
-      'unicorn/prefer-node-protocol': 'off', // TODO: enable once we drop support for Node 14.17.
       'unicorn/prevent-abbreviations': 'off',
     },
   },
@@ -82,4 +83,4 @@ export default [
       'unicorn/filename-case': 'off',
     },
   },
-];
+]);

lib/rules/require-meta-docs-url.js

@@ -6,7 +6,7 @@
 // Requirements
 // -----------------------------------------------------------------------------
 
-import path from 'path';
+import path from 'node:path';
 import * as utils from '../utils.js';
 import { getStaticValue } from '@eslint-community/eslint-utils';
 

package.json

@@ -48,26 +48,27 @@
     "@commitlint/config-conventional": "^19.6.0",
     "@eslint-community/eslint-plugin-eslint-comments": "^4.3.0",
     "@eslint/eslintrc": "^3.0.2",
-    "@eslint/js": "^9.16.0",
+    "@eslint/js": "^9.31.0",
     "@release-it/conventional-changelog": "^9.0.3",
-    "@types/eslint": "^9.6.1",
+    "@types/eslint-plugin-markdown": "^2.0.2",
     "@types/estree": "^1.0.8",
+    "@types/node": "^20.19.0",
     "@typescript-eslint/parser": "^8.34.1",
     "@typescript-eslint/utils": "^8.34.1",
     "@vitest/coverage-istanbul": "^3.2.4",
-    "eslint": "^9.16.0",
+    "eslint": "^9.31.0",
     "eslint-config-not-an-aardvark": "^2.1.0",
-    "eslint-config-prettier": "^9.1.0",
-    "eslint-doc-generator": "^2.0.0",
-    "eslint-plugin-eslint-plugin": "file:./",
-    "eslint-plugin-markdown": "^5.0.0",
-    "eslint-plugin-n": "^17.14.0",
-    "eslint-plugin-prettier": "^5.1.3",
+    "eslint-config-prettier": "^10.1.8",
+    "eslint-doc-generator": "^2.2.2",
+    "eslint-plugin-markdown": "^5.1.0",
+    "eslint-plugin-n": "^17.21.0",
+    "eslint-plugin-prettier": "^5.5.3",
     "eslint-plugin-unicorn": "^56.0.1",
-    "eslint-remote-tester": "^4.0.1",
+    "eslint-remote-tester": "^4.0.2",
     "eslint-scope": "^8.0.1",
     "espree": "^10.0.1",
     "husky": "^9.1.7",
+    "jiti": "^2.4.2",
     "lodash": "^4.17.21",
     "markdownlint-cli": "^0.43.0",
     "npm-package-json-lint": "^8.0.0",

tests/lib/rules/no-property-in-node.js

@@ -1,6 +1,6 @@
 import { RuleTester } from 'eslint';
-import path from 'path';
-import { fileURLToPath } from 'url';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
 import rule from '../../../lib/rules/no-property-in-node.js';
 import parser from '@typescript-eslint/parser';
 

tsconfig.json

@@ -0,0 +1,14 @@
+{
+  "compilerOptions": {
+    "rootDir": ".",
+    "declaration": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "noEmit": true,
+    "resolveJsonModule": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "target": "ES2022"
+  }
+}