From 625680e411746172e7c47c0cbd7d88e521ab056a Mon Sep 17 00:00:00 2001
From: Samuel Whittenberger <sbw98978@gmail.com>
Date: Sat, 4 Jan 2025 14:14:56 -0500
Subject: [PATCH] fix duplicate id of different type not being accepted

---
 openlibrary/components/IdentifiersInput.vue | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/openlibrary/components/IdentifiersInput.vue b/openlibrary/components/IdentifiersInput.vue
index fed98e8b574..a9949f8aad8 100644
--- a/openlibrary/components/IdentifiersInput.vue
+++ b/openlibrary/components/IdentifiersInput.vue
@@ -155,7 +155,8 @@ export default {
                 this.inputValue = this.inputValue.replace(/\s/g, '')
             }
             if (this.isEdition) {
-                const existingIds = Object.values(this.assignedIdentifiers).flat();
+                // collect id values of matching type, or empty array if none present
+                const existingIds = this.assignedIdentifiers[this.selectedIdentifier] ?? [];
                 const validEditionId = validateEditionIdentifiers(this.selectedIdentifier, this.inputValue, existingIds);
                 if (validEditionId) {
                     if (!this.assignedIdentifiers[this.selectedIdentifier]) {