Use local eslint in frontend

.eslintrc.json

@@ -1,25 +0,0 @@
-{
-    "env": {
-        "node": true,
-        "es6": true
-    },
-    "extends": "eslint:recommended",
-    "parserOptions": {
-        "ecmaVersion": 13
-    },
-    "rules": {
-        "linebreak-style": [
-            "error",
-            "unix"
-        ],
-        "quotes": [
-            "error",
-            "single"
-        ],
-        "semi": [
-            "error",
-            "always"
-        ],
-        "no-console": "off"
-    }
-}

.jshintrc

@@ -1,5 +0,0 @@
-{
-    "node": true,
-    "unused": true,
-    "esversion": 11
-}

frontend/eslint.config.js

@@ -0,0 +1,22 @@
+import globals from 'globals';
+import js  from '@eslint/js';
+import pluginVue from 'eslint-plugin-vue';
+
+export default [
+    js.configs.recommended,
+    ...pluginVue.configs['flat/recommended'],
+    {
+        files: ["**/*.js"],
+        languageOptions: {
+            globals: {
+                ...globals.browser,
+            },
+            ecmaVersion: 13,
+            sourceType: 'module'
+        },
+        rules: {
+            semi: "error",
+            "prefer-const": "error"
+        }
+    }
+];

frontend/package.json

@@ -1,5 +1,5 @@
 {
-  "name": "my-vue-app",
+  "name": "frontend",
   "private": true,
   "version": "0.0.0",
   "type": "module",
@@ -26,7 +26,10 @@
     "vue-router": "^4.4.3"
   },
   "devDependencies": {
+    "@eslint/js": "^9.9.0",
     "@vitejs/plugin-vue": "^5.1.2",
+    "eslint": "^9.9.0",
+    "eslint-plugin-vue": "^9.27.0",
     "vite": "^5.4.1"
   }
 }