Configure coverage.

Author: dompuiu

vitest.config.js

@@ -0,0 +1,23 @@
+/*
+Copyright 2025 Adobe. All rights reserved.
+This file is licensed to you under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License. You may obtain a copy
+of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software distributed under
+the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
+OF ANY KIND, either express or implied. See the License for the specific language
+governing permissions and limitations under the License.
+*/
+// eslint-disable-next-line import/no-unresolved
+import { defineProject } from 'vitest/config';
+
+export default defineProject({
+  test: {
+    name: 'unit-tests',
+    isolate: false,
+    coverage: {
+      reporter: ['html', 'lcov', 'text', 'json']
+    }
+  }
+});