fix: update get array value

Author: zwight

src/chat/content/index.tsx

@@ -51,7 +51,10 @@ const Content = forwardRef<IContentRef, IContentProps>(function (
     };
 
     const dataValid = !!(Array.isArray(data) && data.length);
-    const lastMessage = dataValid ? data.at(-1)?.messages?.at(-1) : undefined;
+    const lastPrompt = data[data.length - 1];
+    const lastMessage = dataValid
+        ? lastPrompt.messages?.[lastPrompt.messages.length - 1]
+        : undefined;
 
     useLayoutEffect(() => {
         const handleScroll = () => {

src/chat/group/Item/index.tsx

@@ -39,7 +39,6 @@ export default function Item({
         onDelete?.(conversation);
     };
     const handleSelect = (conversation: ConversationProperties) => {
-        console.log(conversation.id, selectId);
         if (conversation.id === selectId || edit) {
             return;
         }

src/chat/useChat.ts

@@ -212,18 +212,19 @@ export default function useChat<
 
     // ================================== Global ==================================
     function _isProcessing() {
-        const last = state.current?.prompts.at(-1)?.messages?.at(-1);
+        const lastPrompt = state.current?.prompts?.[state.current?.prompts.length - 1];
+        const last = lastPrompt?.messages?.[lastPrompt.messages.length - 1];
         if (!last) return false;
         return last.status === MessageStatus.PENDING || last.status === MessageStatus.GENERATING;
     }
 
     async function _saveViewState() {
-        const prompt = state.current?.prompts.at(-1);
-        const message = prompt?.messages?.at(-1);
+        const lastPrompt = state.current?.prompts?.[state.current?.prompts.length - 1];
+        const message = lastPrompt?.messages?.[lastPrompt.messages.length - 1];
         if (message?.status === MessageStatus.GENERATING) {
             await typing.close(true);
             if (closing.current) {
-                _updateMessage(prompt!.id, message.id, { status: MessageStatus.DONE });
+                _updateMessage(lastPrompt!.id, message.id, { status: MessageStatus.DONE });
             }
         } else {
             typing.stop();
@@ -236,8 +237,10 @@ export default function useChat<
         closing.current = false;
         if (_isProcessing()) {
             const conversation = _getConversation();
-            const prompt = conversation?.prompts.at(-1);
-            const message = prompt?.messages.at(-1);
+            const prompt = conversation?.prompts?.[conversation?.prompts.length - 1];
+            const message = prompt?.messages?.[prompt.messages.length - 1];
+            // 理论上这里不会出现没有 prompt 或 message 的情况
+            /* istanbul ignore next */
             if (!prompt || !message) return state.current;
             typing.start(message.content);
             typingIds.current = { promptId: prompt.id, messageId: message.id };