migrate eslint to flat config (eslint 10)

.eslintrc.cjs

@@ -1,18 +0,0 @@
-/* eslint-env node */
-require("@rushstack/eslint-patch/modern-module-resolution");
-
-module.exports = {
-  root: true,
-  env: {
-    node: true,
-  },
-  extends: [
-    "plugin:vue/vue3-essential",
-    "eslint:recommended",
-    "@vue/eslint-config-typescript",
-    "@vue/eslint-config-prettier",
-  ],
-  parserOptions: {
-    ecmaVersion: "latest",
-  },
-};

eslint.config.js

@@ -0,0 +1,34 @@
+import pluginVue from "eslint-plugin-vue";
+import vueTsConfig from "@vue/eslint-config-typescript";
+import vuePrettierConfig from "@vue/eslint-config-prettier";
+
+export default [
+  {
+    ignores: [
+      "node_modules/**",
+      "dist/**",
+      "coverage/**",
+      "public/**",
+      "p2pix-smart-contracts/**",
+      "vendor/**",
+      "src/generated.ts",
+    ],
+  },
+  ...pluginVue.configs["flat/essential"],
+  ...vueTsConfig(),
+  vuePrettierConfig,
+  {
+    rules: {
+      "@typescript-eslint/no-unused-vars": [
+        "warn",
+        {
+          argsIgnorePattern: "^_",
+          varsIgnorePattern: "^_",
+          caughtErrorsIgnorePattern: "^_",
+          destructuredArrayIgnorePattern: "^_",
+        },
+      ],
+      "@typescript-eslint/no-explicit-any": "warn",
+    },
+  },
+];