Migrate to Vue 3

eslint.config.mjs

@@ -0,0 +1,40 @@
+import globals from "globals";
+import js from "@eslint/js";
+import eslintPluginVue from "eslint-plugin-vue";
+import eslintPluginPrettierRecommended from "eslint-plugin-prettier/recommended";
+
+import ts from "typescript-eslint";
+
+export default ts.config(
+  js.configs.recommended,
+  ...ts.configs.recommended,
+  ...eslintPluginVue.configs["flat/vue2-recommended"],
+  eslintPluginPrettierRecommended,
+  {
+    files: ["*.vue", "**/*.vue"],
+    languageOptions: {
+      globals: {
+        ...globals.node,
+      },
+      parserOptions: {
+        parser: "@typescript-eslint/parser",
+      },
+    },
+
+    rules: {
+      "vue/script-setup-uses-vars": "error",
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          args: "all",
+          argsIgnorePattern: "^_",
+          caughtErrors: "all",
+          caughtErrorsIgnorePattern: "^_",
+          destructuredArrayIgnorePattern: "^_",
+          varsIgnorePattern: "^_",
+          ignoreRestSiblings: true,
+        },
+      ],
+    },
+  },
+);