Hỏi & Đáp
optimistic UI 중 mutateChat 에서 Objects are not valid as a React child (found: Tue Nov 08 2022 17:24:47 GMT+0900 (한국 표준시)). If you meant to render a collection of children, use an array instead.
메시지 부분은 chat 을 말씀하시는걸까요? ㅠ data.createdAt을 주석처리했더니 에러가 바뀌긴 했어요 근데 에러가 어디서 나는지 알기가 어렵네요.. import React, { memo, useMemo, VFC } from 'react'; import { ChatWrapper } from './styles'; import gravatar from 'gravatar'; import regexifyString from 'regexify-string'; import { Link, useParams } from 'react-router-dom'; interface Props { data: any; } // a?.b optional chaining // a??b nullish coalescing const Chat: VFC = ({ data }) => { const user = data.Sender; const { workspace } = useParams (); const result = useMemo( () => regexifyString({ input: data.content, pattern: /@\[(.+?)]\((\d+?)\)|\n/g, decorator(match, index) { const arr: string[] | null = match.match(/@\[(.+?)]\((\d+?)\)/)!; if (arr) { return ( @{arr[1]} ); } return ; }, }), [data.content], ); return ( {user.nickname} {/* {data.createdAt} */} {result} ); }; export default memo(Chat); import Chat from '@components/chat'; import { ChatZone, Section, StickyHeader } from '@components/chatList/styles'; import { IChat, IDM } from '@typings/db'; import React, { useCallback, forwardRef, ForwardedRef, RefObject, VFC } from 'react'; import { Scrollbars } from 'react-custom-scrollbars'; interface Props { chatSections: { [key: string]: IDM[] }; setSize: (f: (size: number) => number) => Promise ; isReachingEnd: boolean; scrollRef: RefObject ; } const ChatList: VFC = ({ chatSections, setSize, scrollRef, isReachingEnd }) => { const onScroll = useCallback( (values: any) => { if (values.scrollTop === 0 && !isReachingEnd) { console.log('가장 위'); setSize((prevSize) => prevSize + 1).then(() => { // 스크롤 위치 유지 if (scrollRef?.current) { scrollRef.current?.scrollTop(scrollRef.current?.getScrollHeight() - values.scrollHeight); } }); } }, [scrollRef, isReachingEnd, setSize], ); return ( {Object.entries(chatSections).map(([date, chats]) => { return ( {date} {chats.map((chat) => ( ))} ); })} ); }; export default ChatList; import ChatBox from '@components/chatBox'; import ChatList from '@components/chatList'; import useInput from '@hooks/useInput'; import useSocket from '@hooks/useSocket'; import { Container, DragOver, Header } from '@pages/directMessage/styles'; import { IDM } from '@typings/db'; import fetcher from '@utils/fetcher'; import makeSection from '@utils/makeSection'; import axios from 'axios'; import React, { useCallback, useEffect, useRef, useState } from 'react'; import gravatar from 'gravatar'; import Scrollbars from 'react-custom-scrollbars'; import { useParams } from 'react-router-dom'; import useSWR from 'swr'; import useSWRInfinite from 'swr/infinite'; import Workspace from '@layouts/workspace'; const DirectMessage = () => { const { workspace, id } = useParams (); console.log(id, 'id'); const { data: userData } = useSWR(`/api/workspaces/${workspace}/users/${id}`, fetcher); const { data: myData } = useSWR('/api/users', fetcher); const [chat, onChangeChat, setChat] = useInput(''); const { data: chatData, mutate: mutateChat, setSize, } = useSWRInfinite ( (index) => `/api/workspaces/${workspace}/dms/${id}/chats?perPage=20&page=${index + 1}`, fetcher, ); const [socket] = useSocket(workspace); const isEmpty = chatData?.[0]?.length === 0; const isReachingEnd = isEmpty || (chatData && chatData[chatData.length - 1]?.length (null); const [dragOver, setDragOver] = useState(false); const onSubmitForm = useCallback( (e: any) => { e.preventDefault(); console.log(chat); if (chat?.trim() && chatData) { const savedChat = chat; mutateChat((prevChatData) => { prevChatData?.[0].unshift({ id: (chatData[0][0]?.id || 0) + 1, content: savedChat, SenderId: myData.id, Sender: myData, ReceiverId: userData.id, Receiver: userData, createdAt: new Date(), }); return prevChatData; }, false).then(() => { setChat(''); scrollbarRef.current?.scrollToBottom(); }); axios .post(`/api/workspaces/${workspace}/dms/${id}/chats`, { content: chat, }) .then(() => { mutateChat(); }) .catch(console.error); } }, [chat, chatData, myData, userData, workspace, id], ); const onMessage = useCallback((data: IDM) => { // id는 상대방 아이디 if (data.SenderId === Number(id) && myData.id !== Number(id)) { mutateChat((chatData) => { chatData?.[0].unshift(data); return chatData; }, false).then(() => { if (scrollbarRef.current) { if ( scrollbarRef.current.getScrollHeight() { scrollbarRef.current?.scrollToBottom(); }, 50); } } }); } }, []); useEffect(() => { socket?.on('dm', onMessage); return () => { socket?.off('dm', onMessage); }; }, [socket, onMessage]); // 로딩 시 스크롤바 제일 아래로 useEffect(() => { if (chatData?.length === 1) { setTimeout(() => { scrollbarRef.current?.scrollToBottom(); }, 100); } }, [chatData]); const onDrop = useCallback( (e: any) => { e.preventDefault(); console.log(e); const formData = new FormData(); if (e.dataTransfer.items) { // Use DataTransferItemList interface to access the file(s) for (let i = 0; i { setDragOver(false); mutateChat(); }); }, [mutateChat, workspace, id], ); const onDragOver = useCallback((e: any) => { e.preventDefault(); console.log(e); setDragOver(true); }, []); if (!userData || !myData) { return null; } const chatSections = makeSection(chatData ? chatData.flat().reverse() : []); return ( {userData.nickname} {dragOver && 업로드! } ); }; export default DirectMessage;
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