chore: update eslint and add eslint unicorn plugin (#176)

Author: gregjopa

client/components/paypalPayments/oneTimePayment/typescript/eslint.config.js

@@ -1,29 +1,20 @@
 import js from "@eslint/js";
-import { flatConfigs as pluginImportXFlatConfigs } from "eslint-plugin-import-x";
 import tseslint from "typescript-eslint";
-import tsParser from "@typescript-eslint/parser";
-import * as tsResolver from "eslint-import-resolver-typescript";
+import { defineConfig, globalIgnores } from "eslint/config";
+import eslintPluginUnicorn from "eslint-plugin-unicorn";
 
-export default tseslint.config(
-  { ignores: ["dist"] },
+export default defineConfig([
   {
-    extends: [
-      js.configs.recommended,
-      tseslint.configs.recommended,
-      pluginImportXFlatConfigs.recommended,
-      pluginImportXFlatConfigs.typescript,
-    ],
-    files: ["**/*.{ts,tsx}"],
-    languageOptions: {
-      parser: tsParser,
-      ecmaVersion: "latest",
-      sourceType: "module",
-    },
-    settings: {
-      "import-x/resolver": {
-        name: "tsResolver",
-        resolver: tsResolver,
-      },
+    files: ["src/**/*.{js,mjs,cjs,ts,mts,cts}"],
+    plugins: { js },
+    extends: ["js/recommended"],
+  },
+  tseslint.configs.recommended,
+  eslintPluginUnicorn.configs.recommended,
+  globalIgnores(["src/dist/"]),
+  {
+    rules: {
+      "max-params": ["error", 2],
     },
   },
-);
+]);