From c1ef47dc375842258eff985d5a06bcdd746a8110 Mon Sep 17 00:00:00 2001
From: Massimiliano Angelino <angmas@amazon.com>
Date: Fri, 2 Feb 2024 18:28:15 +0100
Subject: [PATCH] fix(duplicates): workaround for duplicates

a proper fix will come later. Stopgap solution.
---
 .../react-app/src/components/chatbot/utils.ts     | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/lib/user-interface/react-app/src/components/chatbot/utils.ts b/lib/user-interface/react-app/src/components/chatbot/utils.ts
index 1b4b3826c..3064d50d7 100644
--- a/lib/user-interface/react-app/src/components/chatbot/utils.ts
+++ b/lib/user-interface/react-app/src/components/chatbot/utils.ts
@@ -136,13 +136,22 @@ export function updateMessageHistoryRef(
       messageHistory.at(-1)?.type !== ChatBotMessageType.Human
     ) {
       const lastMessage = messageHistory.at(-1)!;
-      lastMessage.tokens = lastMessage.tokens || [];
+      lastMessage.tokens = lastMessage.tokens ?? [];
       if (hasToken) {
-        lastMessage.tokens.push(token);
+        // Workaround for text duplicates issue
+        if (
+          !lastMessage.tokens
+            .map((t) => t.sequenceNumber)
+            .includes(token.sequenceNumber)
+        ) {
+          lastMessage.tokens.push(token);
+        } else {
+          return;
+        }
+      } else {
       }
 
       lastMessage.tokens.sort((a, b) => a.sequenceNumber - b.sequenceNumber);
-      console.log(lastMessage);
       if (lastMessage.tokens.length > 0) {
         const lastRunId =
           lastMessage.tokens[lastMessage.tokens.length - 1].runId;