Migrate to eslint v9

This includes replacing a deprecated rule with a new plugin

Author: jrentlez

.eslintignore

@@ -0,0 +1,40 @@
+// SPDX-FileCopyrightText: 2025 Friedrich-Alexander-Universitat Erlangen-Nurnberg
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import baseConfig from '../../eslint.config.mjs';
+
+export default [
+  {
+    ignores: ['**/dist'],
+  },
+  ...baseConfig,
+  {
+    languageOptions: {
+      parserOptions: {
+        project: [
+          'apps/benchmark/tsconfig.app.json',
+          'apps/benchmark/tsconfig.spec.json',
+        ],
+      },
+    },
+  },
+  {
+    files: ['**/*.ts', '**/*.tsx', '**/*.js', '**/*.jsx'],
+    // Override or add rules here
+    rules: {},
+  },
+  {
+    files: ['**/*.ts', '**/*.tsx'],
+    // Override or add rules here
+    rules: {},
+  },
+  {
+    files: ['**/*.js', '**/*.jsx'],
+    // Override or add rules here
+    rules: {},
+  },
+  {
+    ignores: ['**/vite.config.*.timestamp*', '**/vitest.config.*.timestamp*'],
+  },
+];

.eslintrc.json

@@ -3,6 +3,7 @@
   "$schema": "../../node_modules/nx/schemas/project-schema.json",
   "sourceRoot": "apps/benchmark/src",
   "projectType": "application",
+  "tags": [],
   "targets": {
     "build": {
       "options": {
@@ -12,9 +13,7 @@
     },
     "lint": {
       "executor": "@nx/eslint:lint",
-      "outputs": [
-        "{options.outputFile}"
-      ]
+      "outputs": ["{options.outputFile}"]
     },
     "run": {
       "executor": "nx:run-commands",
@@ -31,14 +30,11 @@
     },
     "test": {
       "executor": "@nx/vite:test",
-      "outputs": [
-        "{workspaceRoot}/coverage/{projectRoot}"
-      ],
+      "outputs": ["{workspaceRoot}/coverage/{projectRoot}"],
       "options": {
         "configFile": "{projectRoot}/vite.config.ts",
         "passWithNoTests": false
       }
     }
-  },
-  "tags": []
+  }
 }

.eslintrc.json.license

@@ -14,6 +14,7 @@
     "**/*.test.ts"
   ],
   "include": [
-    "**/*.ts"
+    "**/*.ts",
+    "eslint.config.mjs"
   ]
 }