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

scripts/build.js

@@ -0,0 +1,54 @@
+/**
+ * @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 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 { existsSync } from 'fs';
+import { join } from 'path';
+
+const root = join(import.meta.dirname, '..');
+
+// npm install if node_modules was removed (e.g. via npm run clean or scripts/clean.js)
+if (!existsSync(join(root, 'node_modules'))) {
+  execSync('npm install', { stdio: 'inherit', cwd: root });
+}
+
+// build all workspaces/packages
+execSync('npm run generate', { stdio: 'inherit', cwd: root });
+execSync('npm run build --workspaces', { stdio: 'inherit', cwd: root });
+
+// also build container image if sandboxing is enabled
+// skip (-s) npm install + build since we did that above
+try {
+  execSync('node scripts/sandbox_command.js -q', {
+    stdio: 'inherit',
+    cwd: root,
+  });
+  if (
+    process.env.BUILD_SANDBOX === '1' ||
+    process.env.BUILD_SANDBOX === 'true'
+  ) {
+    execSync('node scripts/build_sandbox.js -s', {
+      stdio: 'inherit',
+      cwd: root,
+    });
+  }
+} catch {
+  // ignore
+}