chore: update ESLint config file to use defineConfig (#352)

* chore: update ESLint config file to use `defineConfig`

* wip: use `extends`

* wip: resolve comments

Author: lumirlumir

eslint.config.js

@@ -6,6 +6,7 @@ import globals from "globals";
 import eslintConfigESLint from "eslint-config-eslint";
 import eslintPlugin from "eslint-plugin-eslint-plugin";
 import markdown from "./src/index.js";
+import { defineConfig } from "eslint/config";
 
 //-----------------------------------------------------------------------------
 // Helpers
@@ -20,8 +21,8 @@ const eslintPluginTestsRecommendedConfig =
 // Configuration
 //-----------------------------------------------------------------------------
 
-export default [
-	...eslintConfigESLint,
+export default defineConfig([
+	eslintConfigESLint,
 	{
 		name: "markdown/js",
 		files: ["**/*.js"],
@@ -93,9 +94,8 @@ export default [
 	},
 	{
 		files: ["src/rules/*.js"],
-		...eslintPluginRulesRecommendedConfig,
+		extends: [eslintPluginRulesRecommendedConfig],
 		rules: {
-			...eslintPluginRulesRecommendedConfig.rules,
 			"eslint-plugin/require-meta-schema": "off", // `schema` defaults to []
 			"eslint-plugin/prefer-placeholders": "error",
 			"eslint-plugin/prefer-replace-text": "error",
@@ -115,9 +115,8 @@ export default [
 	},
 	{
 		files: ["tests/rules/*.test.js"],
-		...eslintPluginTestsRecommendedConfig,
+		extends: [eslintPluginTestsRecommendedConfig],
 		rules: {
-			...eslintPluginTestsRecommendedConfig.rules,
 			"eslint-plugin/test-case-property-ordering": [
 				"error",
 				[
@@ -134,4 +133,4 @@ export default [
 			"eslint-plugin/test-case-shorthand-strings": "error",
 		},
 	},
-];
+]);

package.json

@@ -72,7 +72,7 @@
     "@types/eslint": "^9.6.0",
     "c8": "^10.1.2",
     "dedent": "^1.5.3",
-    "eslint": "^9.23.0",
+    "eslint": "^9.25.1",
     "eslint-config-eslint": "^11.0.0",
     "eslint-plugin-eslint-plugin": "^6.3.2",
     "globals": "^15.1.0",