From 164e46cbdf4961ded8d15204a83ae4455af1ae3b Mon Sep 17 00:00:00 2001
From: Simon Farshid <simon.farshid@outlook.com>
Date: Mon, 9 Sep 2024 23:44:05 -0700
Subject: [PATCH] feat: ignore edits with text part unchanged (#806)

---
 .changeset/great-kids-worry.md                           | 5 +++++
 packages/react/src/context/providers/MessageProvider.tsx | 3 +++
 2 files changed, 8 insertions(+)
 create mode 100644 .changeset/great-kids-worry.md

diff --git a/.changeset/great-kids-worry.md b/.changeset/great-kids-worry.md
new file mode 100644
index 000000000..5f8b82048
--- /dev/null
+++ b/.changeset/great-kids-worry.md
@@ -0,0 +1,5 @@
+---
+"assistant-ui": patch
+---
+
+feat: ignore edits with text part unchanged
diff --git a/packages/react/src/context/providers/MessageProvider.tsx b/packages/react/src/context/providers/MessageProvider.tsx
index 50faf8681..cdee3688d 100644
--- a/packages/react/src/context/providers/MessageProvider.tsx
+++ b/packages/react/src/context/providers/MessageProvider.tsx
@@ -89,6 +89,9 @@ const useMessageContext = (messageIndex: number) => {
             "Tried to edit a non-user message. Editing is only supported for user messages. This is likely an internal bug in assistant-ui.",
           );
 
+        const previousText = getThreadMessageText(message);
+        if (previousText === text) return;
+
         const nonTextParts = message.content.filter(
           (part): part is CoreUserContentPart =>
             part.type !== "text" && part.type !== "ui",