Upgrade eslint and run lint fix

Author: StefanH-AT

.eslintrc.yml

@@ -0,0 +1,34 @@
+import { defineConfig } from "eslint/config";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+import js from "@eslint/js";
+import { FlatCompat } from "@eslint/eslintrc";
+
+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([{
+    extends: compat.extends("eslint:recommended", "plugin:@typescript-eslint/recommended"),
+
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    rules: {
+        indent: ["error", 4],
+        "linebreak-style": ["error", "unix"],
+        quotes: ["error", "double"],
+        semi: ["error", "always"],
+        "no-unused-vars": ["off"],
+        "@typescript-eslint/no-unused-vars": ["off"],
+        "no-empty-function": ["off"],
+        "@typescript-eslint/no-empty-function": ["off"],
+    },
+}]);

eslint.config.mjs

@@ -426,6 +426,8 @@
         }
     },
     "devDependencies": {
+        "@eslint/eslintrc": "^3.3.5",
+        "@eslint/js": "^10.0.1",
         "@types/node": "^26.0.0",
         "@types/vscode": "^1.125.0",
         "@typescript-eslint/eslint-plugin": "^8.61.1",