[TASK] Migrate ESLint config file

Resources/Private/Frontend/eslint.config.js

@@ -0,0 +1,51 @@
+'use strict'
+
+/*
+ * This file is part of the TYPO3 CMS extension "solver".
+ *
+ * Copyright (C) 2024 Elias Häußler <elias@haeussler.dev>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+const eslint = require('@eslint/js');
+const tseslint = require('typescript-eslint');
+
+module.exports = [
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+  {
+    ignores: [
+      'webpack.config.js',
+    ],
+    languageOptions: {
+      globals: {
+        browser: true,
+        es2021: true,
+        node: true,
+      },
+      parserOptions: {
+        ecmaFeatures: {
+          impliedStrict: true,
+        },
+        ecmaVersion: 2021,
+        sourceType: 'module',
+      },
+    },
+    rules: {
+      'no-unused-vars': 'off',
+      '@typescript-eslint/no-unused-vars': 'off',
+    },
+  },
+];