[Refactor] 코딩 컨벤션 재정의 및 적용

apps/client/.eslintignore

@@ -0,0 +1,9 @@
+# shadcn/ui 컴포넌트 폴더 무시
+src/components/ui/*
+
+# node_modules는 기본적으로 무시되지만, 명시적으로 추가할 수도 있습니다
+node_modules/
+
+# 다른 무시하고 싶은 파일/폴더들
+dist/
+build/

apps/client/.eslintrc

@@ -1,35 +1,45 @@
 {
   "parser": "@typescript-eslint/parser",
+
   "parserOptions": {
-    "project": ["./apps/client/tsconfig.json"],
+    "project": ["./tsconfig.json"],
     "ecmaVersion": 12,
     "sourceType": "module",
     "ecmaFeatures": {
       "jsx": true
     }
   },
+
   "env": {
     "browser": true,
     "es2021": true
   },
-  "extends": [
-    "eslint:recommended",
-    "plugin:react/recommended",
-    "plugin:react-hooks/recommended",
-    "plugin:@typescript-eslint/recommended",
-    "prettier"
-  ],
+
+  "extends": ["airbnb", "airbnb/hooks", "plugin:@typescript-eslint/recommended", "prettier"],
+
   "settings": {
     "react": {
       "version": "detect"
     }
   },
+
   "plugins": ["prettier"],
+
   "rules": {
+    // React 관련 규칙
     "react/react-in-jsx-scope": "off",
     "react/no-unescaped-entities": "off",
     "react/prop-types": "off",
-    "react-hooks/exhaustive-deps": "warn",
+    "react/jsx-filename-extension": [
+      "warn",
+      {
+        "extensions": [".js", ".jsx", ".ts", ".tsx"]
+      }
+    ],
+    "react/require-default-props": "off",
+    "react/jsx-props-no-spreading": "off",
+
+    // TypeScript 관련 규칙
     "@typescript-eslint/no-explicit-any": "warn",
     "@typescript-eslint/no-unused-vars": [
       "error",
@@ -38,6 +48,22 @@
         "varsIgnorePattern": "^_", // _ 로 시작하는 변수는 무시
         "ignoreRestSiblings": true
       }
+    ],
+
+    // Import/Export 관련 규칙
+    "import/no-unresolved": "off",
+    "import/extensions": ["off"],
+    "import/prefer-default-export": "off",
+
+    // 접근성 관련 규칙
+    "jsx-a11y/media-has-caption": "off",
+
+    // 기타 규칙
+    "no-param-reassign": [
+      "warn",
+      {
+        "props": false
+      }
     ]
   }
 }

apps/client/package.json

@@ -33,17 +33,24 @@
     "@types/node": "^20.3.1",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
+    "@typescript-eslint/eslint-plugin": "^7.18.0",
+    "@typescript-eslint/parser": "^7.18.0",
     "@vitejs/plugin-react-swc": "^3.5.0",
     "autoprefixer": "^10.4.20",
     "eslint": "*",
+    "eslint-config-airbnb": "^19.0.4",
+    "eslint-config-airbnb-typescript": "^18.0.0",
     "eslint-config-prettier": "*",
+    "eslint-plugin-import": "^2.31.0",
+    "eslint-plugin-jsx-a11y": "^6.10.2",
     "eslint-plugin-prettier": "*",
     "eslint-plugin-react": "^7.37.2",
     "eslint-plugin-react-hooks": "^5.0.0",
     "eslint-plugin-react-refresh": "^0.4.14",
     "postcss": "^8.4.47",
     "prettier": "*",
     "tailwindcss": "^3.4.14",
+    "typescript": "*",
     "vite": "^5.4.10"
   }
 }

apps/client/src/Router.tsx

@@ -1,11 +1,11 @@
 import { createBrowserRouter } from 'react-router-dom';
-import App from './App';
 import Home from '@pages/Home';
 import Profile from '@pages/Profile';
 import Live from '@pages/Live';
 import Broadcast from '@pages/Broadcast';
 import Auth from '@pages/Auth';
 import Record from '@pages/Record';
+import App from './App';
 import ProtectedRoute from './ProtectedRoute';
 
 const routerOptions = {

apps/client/src/components/ChatContainer/ChatEndModal.tsx

@@ -1,9 +1,9 @@
 import Modal from '@components/Modal';
 import { useNavigate } from 'react-router-dom';
 
-interface ChatEndModalProps {
+type ChatEndModalProps = {
   setShowModal: (b: boolean) => void;
-}
+};
 
 function ChatEndModal({ setShowModal }: ChatEndModalProps) {
   const navigate = useNavigate();
@@ -17,7 +17,7 @@ function ChatEndModal({ setShowModal }: ChatEndModalProps) {
     <Modal modalClassName="h-32 w-1/3" setShowModal={setShowModal}>
       <div className="flex flex-col items-center gap-3">
         <p className="text-text-strong text-display-medium16">방송이 종료되었습니다.</p>
-        <button onClick={handleClick} className="underline">
+        <button type="button" onClick={handleClick} className="underline">
           홈으로 이동하기
         </button>
       </div>

apps/client/src/components/ChatContainer/index.tsx

@@ -1,25 +1,26 @@
 import { useState, useEffect, useRef, useContext } from 'react';
 import { Card, CardHeader, CardTitle, CardContent, CardFooter } from '@components/ui/card';
 import { Input } from '@components/ui/input';
-import { SmileIcon } from '@/components/Icons';
 import { useSocket } from '@hooks/useSocket';
 import ErrorCharacter from '@components/ErrorCharacter';
-import { AuthContext } from '@/contexts/AuthContext';
 import { createPortal } from 'react-dom';
+import { AuthContext } from '@/contexts/AuthContext';
+import { SmileIcon } from '@/components/Icons';
 import ChatEndModal from './ChatEndModal';
 
-interface Chat {
+type Chat = {
+  chatId?: string;
   camperId: string;
   name: string;
   message: string;
-}
+};
 
 const chatServerUrl = import.meta.env.VITE_CHAT_SERVER_URL;
 
-const ChatContainer = ({ roomId, isProducer }: { roomId: string; isProducer: boolean }) => {
+function ChatContainer({ roomId, isProducer }: { roomId: string; isProducer: boolean }) {
   const { isLoggedIn } = useContext(AuthContext);
   // 채팅 방 입장
-  const [isJoinedRoom, setIsJoinedRoom] = useState(false);
+  const isJoinedRoomRef = useRef(false);
   // 채팅 전송
   const { socket, isConnected, socketError } = useSocket(chatServerUrl);
   const [chattings, setChattings] = useState<Chat[]>([]);
@@ -35,57 +36,65 @@ const ChatContainer = ({ roomId, isProducer }: { roomId: string; isProducer: boo
   // 채팅 종료
   const [showModal, setShowModal] = useState(false);
 
-  const setUpRoom = async (isProducer: boolean) => {
-    if (isProducer) {
-      socket?.emit('createRoom', { roomId: roomId });
-    } else {
-      // 채팅방 입장
-      socket?.emit('joinRoom', { roomId: roomId }, () => {});
-      // 채팅방 종료 이벤트
-      socket?.on('chatClosed', () => {
-        setShowModal(true);
-      });
-    }
-    setIsJoinedRoom(true);
-  };
-
   const handleInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
     setInputValue(e.target.value);
   };
 
-  const hanldeKeyDownEnter = (e: React.KeyboardEvent<HTMLInputElement>) => {
-    if (isComposing) return;
-    if (e.key === 'Enter') {
-      handleSendChat();
-    }
-  };
-
   const handleSendChat = () => {
     if (inputValue.trim() && socket) {
-      socket.emit('chat', { roomId: roomId, message: inputValue });
+      socket.emit('chat', { roomId, message: inputValue });
     }
     setInputValue('');
   };
 
-  const handleReceiveChat = (response: Chat) => {
-    const { camperId, name, message } = response;
-    setChattings(prev => [...prev, { camperId, name, message }]);
+  const hanldeKeyDownEnter = (e: React.KeyboardEvent<HTMLInputElement>) => {
+    if (isComposing) return;
+    if (e.key === 'Enter') {
+      handleSendChat();
+    }
   };
 
   const handleClickEmoticon = () => {
     alert('구현 예정');
   };
+  // 채팅방 입장
+  useEffect(() => {
+    if (!isConnected || !socket || !roomId || isJoinedRoomRef.current) return;
 
+    const setUpRoom = async () => {
+      if (isProducer) {
+        socket?.emit('createRoom', { roomId });
+      } else {
+        // 채팅방 입장
+        socket?.emit('joinRoom', { roomId }, () => {});
+        // 채팅방 종료 이벤트
+      }
+      isJoinedRoomRef.current = true;
+    };
+    setUpRoom();
+  }, [isConnected, socket, roomId, isProducer]);
+
+  // 채팅 이벤트 등록/해제
   useEffect(() => {
-    if (!isConnected || !socket || !roomId || isJoinedRoom) return;
-    setUpRoom(isProducer);
+    if (!socket || !isConnected) return () => {};
+
+    const handleReceiveChat = (response: Chat) => {
+      const { camperId, name, message } = response;
+      setChattings(prev => [...prev, { chatId: `${Date.now()}-${camperId}`, camperId, name, message }]);
+    };
+
+    const handleChatClosed = () => {
+      setShowModal(true);
+    };
 
     socket?.on('chat', handleReceiveChat);
+    socket?.on('chatClosed', handleChatClosed);
 
     return () => {
       socket?.off('chat', handleReceiveChat);
+      socket?.off('chatClosed');
     };
-  }, [isConnected, roomId, socket]);
+  }, [socket, isConnected]);
 
   // 자동 스크롤
   useEffect(() => {
@@ -106,8 +115,8 @@ const ChatContainer = ({ roomId, isProducer }: { roomId: string; isProducer: boo
           <>
             <CardContent ref={scrollAreaRef} className="flex flex-1 px-6 pb-2 overflow-y-auto flex-col-reverse">
               <div className="w-full flex flex-col space-y-1">
-                {chattings.map((chat, index) => (
-                  <div key={index}>
+                {chattings.map((chat: Chat) => (
+                  <div key={chat.chatId}>
                     <span className="font-medium text-display-medium16 text-text-weak">{chat.camperId} </span>
                     <span className="font-medium text-display-medium14 text-text-strong">{chat.message}</span>
                   </div>
@@ -128,6 +137,7 @@ const ChatContainer = ({ roomId, isProducer }: { roomId: string; isProducer: boo
                   disabled={!isLoggedIn}
                 />
                 <button
+                  type="button"
                   onClick={handleClickEmoticon}
                   className="ml-2 p-2 rounded-full text-text-default"
                   disabled={!isLoggedIn}
@@ -142,6 +152,6 @@ const ChatContainer = ({ roomId, isProducer }: { roomId: string; isProducer: boo
       {showModal && createPortal(<ChatEndModal setShowModal={setShowModal} />, document.body)}
     </>
   );
-};
+}
 
 export default ChatContainer;

apps/client/src/components/ErrorCharacter/index.tsx

@@ -1,9 +1,9 @@
-interface ErrorCharacterProps {
+type ErrorCharacterProps = {
   size?: number;
   message?: string;
-}
+};
 
-const ErrorCharacter = ({ size = 300, message = 'Error' }: ErrorCharacterProps): JSX.Element => {
+function ErrorCharacter({ size = 300, message = 'Error' }: ErrorCharacterProps): JSX.Element {
   return (
     <div style={{ width: size, height: size }} className="flex flex-col items-center">
       <svg viewBox="0 0 200 200" className="w-full h-full" xmlns="http://www.w3.org/2000/svg">
@@ -82,6 +82,6 @@ const ErrorCharacter = ({ size = 300, message = 'Error' }: ErrorCharacterProps):
       <p className="text-[#EF4444] font-bold mt-4">{message}</p>
     </div>
   );
-};
+}
 
 export default ErrorCharacter;

apps/client/src/components/Header/LogInButton.tsx

@@ -1,10 +1,10 @@
 import { useState } from 'react';
 import WelcomeCharacter from '@components/WelcomeCharacter';
-import { useAuth } from '@/hooks/useAuth';
 import { Button } from '@components/ui/button';
 import { createPortal } from 'react-dom';
 import Modal from '@components/Modal';
 import { GithubIcon, GoogleIcon } from '@components/Icons';
+import { useAuth } from '@/hooks/useAuth';
 import axiosInstance from '@/services/axios';
 
 function LogInButton() {
@@ -38,6 +38,7 @@ function LogInButton() {
               </div>
               <div className="flex flex-row md:flex-col h-full justify-around items-center gap-3 p-4">
                 <button
+                  type="button"
                   onClick={() => {
                     requestLogIn('github');
                   }}
@@ -49,6 +50,7 @@ function LogInButton() {
                   </span>
                 </button>
                 <button
+                  type="button"
                   onClick={() => {
                     requestLogIn('google');
                   }}
@@ -59,7 +61,7 @@ function LogInButton() {
                     Google로 로그인하기
                   </span>
                 </button>
-                <button className="border-none underline" onClick={handleGuestLogIn}>
+                <button type="button" className="border-none underline" onClick={handleGuestLogIn}>
                   게스트로 로그인하기
                 </button>
               </div>

apps/client/src/components/Header/index.tsx

@@ -2,9 +2,9 @@ import { useContext, useEffect, useRef, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { Character, Logo } from '@components/Icons';
 import { Avatar, AvatarFallback, AvatarImage } from '@components/ui/avatar';
+import { cn } from '@utils/utils';
 import { AuthContext } from '@/contexts/AuthContext';
 import axiosInstance from '@/services/axios';
-import { cn } from '@utils/utils';
 import LogInButton from './LogInButton';
 import { Button } from '../ui/button';
 import { useAuth } from '@/hooks/useAuth';
@@ -72,10 +72,10 @@ function Header() {
 
   return (
     <header className="fixed top-0 left-0 h-fit w-full px-10 py-3 flex justify-between z-10 bg-surface-default">
-      <div className="flex flex-row gap-2 hover:cursor-pointer" onClick={handleLogoClick}>
+      <button type="button" className="flex flex-row gap-2 hover:cursor-pointer" onClick={handleLogoClick}>
         <Character size={48} />
         <Logo width={109} height={50} className="text-text-strong" />
-      </div>
+      </button>
       <div className="flex items-center">
         {isLoggedIn ? (
           <div className="flex gap-2 items-center">