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fix (vue/react/solid/svelte): usechat restore the previous message #2086

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2 changes: 1 addition & 1 deletion packages/react/src/use-chat.ts
Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ const getStreamedResponse = async (
) => {
// Do an optimistic update to the chat state to show the updated messages
// immediately.
const previousMessages = messagesRef.current;
const previousMessages = chatRequest.messages;
mutate(chatRequest.messages, false);

const constructedMessagesPayload = sendExtraMessageFields
Expand Down
6 changes: 2 additions & 4 deletions packages/solid/src/use-chat.ts
Original file line number Diff line number Diff line change
Expand Up @@ -132,7 +132,7 @@ export function useChat({

// Do an optimistic update to the chat state to show the updated messages
// immediately.
const previousMessages = getCurrentMessages();
const previousMessages = messagesSnapshot;
mutate(messagesSnapshot);

let chatRequest: ChatRequest = {
Expand Down Expand Up @@ -190,9 +190,7 @@ export function useChat({
onFinish,
restoreMessagesOnFailure() {
// Restore the previous messages if the request fails.
if (previousMessages.status === 'success') {
mutate(previousMessages.data);
}
mutate(previousMessages);
},
generateId,
});
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2 changes: 1 addition & 1 deletion packages/svelte/src/use-chat.ts
Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,7 @@ export function useChat({
},
get(streamData),
extraMetadata,
get(messages),
chatRequest.messages,
abortController,
generateId,
streamMode,
Expand Down
2 changes: 1 addition & 1 deletion packages/vue/src/use-chat.ts
Original file line number Diff line number Diff line change
Expand Up @@ -128,7 +128,7 @@ export function useChat({

// Do an optimistic update to the chat state to show the updated messages
// immediately.
const previousMessages = messagesData.value;
const previousMessages = messagesSnapshot;
mutate(messagesSnapshot);

let chatRequest: ChatRequest = {
Expand Down
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