每10秒删除最后一项聊天记录

src/page/Meeting/ChatSmallWindow/index.tsx

@@ -1,18 +1,22 @@
 import styles from '@/page/Meeting/ChatSmallWindow/index.module.scss'
 import { Input } from 'antd';
 import { useEffect, useState } from "react";
-import { storage } from '@/utils';
 const ChatSmallWindow: React.FC = () => {
   const [inputValue, setInputValue] = useState<string>('')
   const [chatLists, setChatLists] = useState<any>([])
-  const userInfo = JSON.parse(storage.getItem('user') as string)
   const channel = new BroadcastChannel('meeting_channel');
   useEffect(() => {
+    let time: NodeJS.Timeout;
+    time = setInterval(() => {
+      setChatLists((res: any) => {
+        return res.length ? res.slice(0, -1) : res
+      })
+    }, 10000)
     channel.onmessage = function (event) {
-      const { type, chatList } = event.data;
+      const { type, chatListIten } = event.data;
       switch (type) {
-        case 'chatList':
-          setChatLists(chatList.reverse())
+        case 'chatListIten':
+          setChatLists((newChatList: any) => [chatListIten, ...newChatList])
           setTimeout(() => {
             const chatSmallWindowView = document.getElementById('chatSmallWindowView') as HTMLElement;
             if (chatSmallWindowView) {
@@ -22,6 +26,9 @@ const ChatSmallWindow: React.FC = () => {
           break;
       }
     }
+    return () => {
+      clearTimeout(time)
+    }
   }, []);
 
 

src/page/Meeting/index.tsx

@@ -509,6 +509,10 @@ const Meeting: React.FC = () => {
             setNoViewChatList(storageNoViewChatList)
           }
           setChatList((newChatList: any) => [...newChatList, item])
+          channel.postMessage({
+            type: 'chatListIten',
+            chatListIten: item,
+          });
           setStatusList((res: any) => {
             if (!res.userChatList) {
               api.open({
@@ -1673,12 +1677,17 @@ const Meeting: React.FC = () => {
         roomNum: state.channelId,
         msg: msg,
       })
-      setChatList((newChatList: any) => [...newChatList, {
+      let item = {
         uid: userInfo.uid,
         userName: userInfo.userName,
         message: msg,
         timestamp: +new Date()
-      }])
+      }
+      setChatList((newChatList: any) => [...newChatList, item])
+      channel.postMessage({
+        type: 'chatListIten',
+        chatListIten: item,
+      });
       setTextMsg('');
       chatScrollBotton()
     } else {