From 0c2994b7b2b088045d3148e77053b21540f02eeb Mon Sep 17 00:00:00 2001
From: Max Edell <maxed@adobe.com>
Date: Tue, 17 Oct 2023 09:14:08 -0700
Subject: [PATCH] chore: add mainbook warning

---
 scripts/scripts.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scripts/scripts.js b/scripts/scripts.js
index 23621a4..f3e66a8 100644
--- a/scripts/scripts.js
+++ b/scripts/scripts.js
@@ -221,6 +221,10 @@ const store = new (class {
         return book;
       });
 
+    if (!this.mainBook) {
+      console.warn('page configured as book, but missing main book; possible metadata sheet issue');
+    }
+
     // exclude main book from additionalBooks
     this.additionalBooks = this.allBooks.filter((b) => !b.mainBook);
   }