Windows: Refactor Shell Scripts to Node.js for Cross-Platform Compatibility (#784)

scripts/clean.js

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2025 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+//
+// Licensed 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 CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { execSync } from 'child_process';
+import { rmSync } from 'fs';
+import { join } from 'path';
+
+const root = join(import.meta.dirname, '..');
+
+// remove npm install/build artifacts
+rmSync(join(root, 'node_modules'), { recursive: true, force: true });
+rmSync(join(root, 'packages/cli/src/generated/'), {
+  recursive: true,
+  force: true,
+});
+execSync('npm run clean --workspaces', { stdio: 'inherit', cwd: root });