From 4c9486918e94d030d222e6a526e8afd6f4d01d67 Mon Sep 17 00:00:00 2001
From: Leonardo Ortiz <leo@monogram.io>
Date: Fri, 23 Jun 2023 19:01:33 -0300
Subject: [PATCH] check whether `firebase/app` can be imported

---
 src/index.ts |  4 +++-
 src/utils.ts | 11 +++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 src/utils.ts

diff --git a/src/index.ts b/src/index.ts
index 323ef8e3..e3b2e996 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -15,8 +15,10 @@ type Server = typeof import('./angular/index.js') |
 import type { Request } from 'firebase-functions/v2/https';
 import type { Response } from 'express';
 
+import { isUsingFirebaseJsSdk } from './utils.js'
+
 const dirname = process.env.__FIREBASE_FRAMEWORKS_ENTRY__;
-const usingFirebaseJsSdk = !!process.env.__FIREBASE_DEFAULTS__;
+const usingFirebaseJsSdk = await isUsingFirebaseJsSdk();
 const basename = usingFirebaseJsSdk ? 'firebase-aware' : 'index';
 
 // .env isn't parsed for Cloud Functions discovery during deploy, handle undefined
diff --git a/src/utils.ts b/src/utils.ts
new file mode 100644
index 00000000..7067e73a
--- /dev/null
+++ b/src/utils.ts
@@ -0,0 +1,11 @@
+export async function isUsingFirebaseJsSdk() {
+  if(!process.env.__FIREBASE_DEFAULTS__) return false;
+
+  try {
+    await import('firebase/app');
+
+    return true
+  } catch (e) {
+    return false;
+  }
+}
\ No newline at end of file