Ignore new message when the current message is not finished yet

components/Chat/Chat.tsx

@@ -8,13 +8,14 @@ import { ModelSelect } from "./ModelSelect";
 interface Props {
   model: OpenAIModel;
   messages: Message[];
+  messageIsStreaming: boolean,
   loading: boolean;
   lightMode: "light" | "dark";
   onSend: (message: Message) => void;
   onSelect: (model: OpenAIModel) => void;
 }
 
-export const Chat: FC<Props> = ({ model, messages, loading, lightMode, onSend, onSelect }) => {
+export const Chat: FC<Props> = ({ model, messages, messageIsStreaming, loading, lightMode, onSend, onSelect }) => {
   const messagesEndRef = useRef<HTMLDivElement>(null);
 
   const scrollToBottom = () => {
@@ -57,7 +58,7 @@ export const Chat: FC<Props> = ({ model, messages, loading, lightMode, onSend, o
       </div>
 
       <div className="h-[80px] sm:h-[140px] w-[340px] sm:w-[400px] md:w-[500px] lg:w-[700px] xl:w-[800px] mx-auto">
-        <ChatInput onSend={onSend} />
+        <ChatInput messageIsStreaming={messageIsStreaming} onSend={onSend} />
       </div>
     </div>
   );

components/Chat/ChatInput.tsx

@@ -3,10 +3,11 @@ import { IconSend } from "@tabler/icons-react";
 import { FC, KeyboardEvent, useEffect, useRef, useState } from "react";
 
 interface Props {
+  messageIsStreaming: boolean,
   onSend: (message: Message) => void;
 }
 
-export const ChatInput: FC<Props> = ({ onSend }) => {
+export const ChatInput: FC<Props> = ({ onSend, messageIsStreaming }) => {
   const [content, setContent] = useState<string>();
   const [isTyping, setIsTyping] = useState<boolean>(false);
 
@@ -23,6 +24,10 @@ export const ChatInput: FC<Props> = ({ onSend }) => {
   };
 
   const handleSend = () => {
+    if (messageIsStreaming) {
+      return;
+    }
+
     if (!content) {
       alert("Please enter a message");
       return;

pages/index.tsx

@@ -11,7 +11,7 @@ export default function Home() {
   const [loading, setLoading] = useState<boolean>(false);
   const [model, setModel] = useState<OpenAIModel>(OpenAIModel.GPT_3_5);
   const [lightMode, setLightMode] = useState<"dark" | "light">("dark");
-  const [disabled, setDisabled] = useState<boolean>(false);
+  const [messageIsStreaming, setmessageIsStreaming] = useState<boolean>(false);
   const [showSidebar, setShowSidebar] = useState<boolean>(true);
 
   const handleSend = async (message: Message) => {
@@ -23,7 +23,7 @@ export default function Home() {
 
       setSelectedConversation(updatedConversation);
       setLoading(true);
-      setDisabled(true);
+      setmessageIsStreaming(true);
 
       const response = await fetch("/api/chat", {
         method: "POST",
@@ -111,7 +111,7 @@ export default function Home() {
 
       localStorage.setItem("conversationHistory", JSON.stringify(updatedConversations));
 
-      setDisabled(false);
+      setmessageIsStreaming(false);
     }
   };
 
@@ -230,7 +230,7 @@ export default function Home() {
         <div className={`flex h-screen text-white ${lightMode}`}>
           {showSidebar ? (
             <Sidebar
-              loading={disabled}
+              loading={messageIsStreaming}
               conversations={conversations}
               lightMode={lightMode}
               selectedConversation={selectedConversation}
@@ -250,6 +250,7 @@ export default function Home() {
           )}
 
           <Chat
+            messageIsStreaming={messageIsStreaming}
             model={model}
             messages={selectedConversation.messages}
             loading={loading}