1 files changed, 52 insertions, 0 deletions
diff --git a/remote/test/puppeteer/tools/ensure-pinned-deps.ts b/remote/test/puppeteer/tools/ensure-pinned-deps.ts
new file mode 100644
index 0000000000..eb21fc647b
--- /dev/null
+++ b/remote/test/puppeteer/tools/ensure-pinned-deps.ts
@@ -0,0 +1,52 @@
+/**
+ * @license
+ * Copyright 2021 Google Inc.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {readdirSync, readFileSync} from 'fs';
+import {join} from 'path';
+
+import {devDependencies} from '../package.json';
+
+const LOCAL_PACKAGE_NAMES: string[] = [];
+
+const packagesDir = join(__dirname, '..', 'packages');
+for (const packageName of readdirSync(packagesDir)) {
+  const {name} = JSON.parse(
+    readFileSync(join(packagesDir, packageName, 'package.json'), 'utf8')
+  );
+  LOCAL_PACKAGE_NAMES.push(name);
+}
+
+const allDeps = {...devDependencies};
+
+const invalidDeps = new Map<string, string>();
+
+for (const [depKey, depValue] of Object.entries(allDeps)) {
+  if (depValue.startsWith('file:')) {
+    continue;
+  }
+  if (LOCAL_PACKAGE_NAMES.includes(depKey)) {
+    continue;
+  }
+  if (/[0-9]/.test(depValue[0]!)) {
+    continue;
+  }
+
+  invalidDeps.set(depKey, depValue);
+}
+
+if (invalidDeps.size > 0) {
+  console.error('Found non-pinned dependencies in package.json:');
+  console.log(
+    [...invalidDeps.keys()]
+      .map(k => {
+        return `  ${k}`;
+      })
+      .join('\n')
+  );
+  process.exit(1);
+}
+
+process.exit(0);