[RM-30]다크모드 기능 구현

src/components/Common/Header/Header.tsx

@@ -6,18 +6,19 @@ import { toast } from "react-toastify";
 import Button from "react-bootstrap/Button";
 import Overlay from "react-bootstrap/Overlay";
 import { useNavigate, Link } from "react-router-dom";
-
+import ThemeContext from "context/ThemeContext";
 import { app } from "../../../firebaseApp";
 
 const Header = () => {
   const auth = getAuth(app);
   const [isAuthenticated, setIsAuthenticated] = useState<boolean>(!!auth?.currentUser);
   const [show, setShow] = useState(false);
+  const context = useContext(ThemeContext);
   const target = useRef(null);
   const navigate = useNavigate();
 
   useEffect(() => {
-    const unsubscribe = onAuthStateChanged(auth, (user) => {
+    const unsubscribe = onAuthStateChanged(auth, user => {
       if (user) {
         setIsAuthenticated(true);
       } else {
@@ -28,7 +29,6 @@ const Header = () => {
     return () => unsubscribe();
   }, [auth]);
 
-
   const onSignOut = async () => {
     try {
       await signOut(auth);
@@ -49,15 +49,27 @@ const Header = () => {
           </Link>
         </div>
         <div className="flex justify-center items-center">
-          <Link to="https://github.com/">
-            <img src="/images/github-logo.svg" alt="github" className="h-8 w-8 mr-3" />
-          </Link>
-          <img src="/images/light-to-dark.svg" alt="dark" className="h-8 w-8 mr-3" />
-
-          <Button variant="transparent" ref={target} onClick={() => setShow(!show)} className="p-0">
-            {/* Click me to see */}
-            <img src="/images/mypage.svg" alt="mypage" className="h-8 w-8" />
-          </Button>
+          {context.theme === "light" ? (
+            <>
+              <Link to="https://github.com/">
+                <img src="/images/github-logo-light.svg" alt="github" className="h-9 w-9 mr-3" />
+              </Link>
+              <img onClick={context.toggleMode} src="/images/light-to-dark.svg" alt="light" className="h-9 w-9 mr-3" />
+              <Button variant="transparent" ref={target} onClick={() => setShow(!show)} className="p-0">
+                <img src="/images/mypage-light.svg" alt="mypage" className="h-9 w-9" />
+              </Button>
+            </>
+          ) : (
+            <>
+              <Link to="https://github.com/">
+                <img src="/images/github-logo-dark.svg" alt="github" className="h-9 w-9 mr-3" />
+              </Link>
+              <img onClick={context.toggleMode} src="/images/dark-to-light.svg" alt="dark" className="h-8 w-8 mr-3" />
+              <Button variant="transparent" ref={target} onClick={() => setShow(!show)} className="p-0">
+                <img src="/images/mypage-dark.svg" alt="mypage" className="h-9 w-9" />
+              </Button>
+            </>
+          )}
           <Overlay target={target.current} show={show} placement="bottom">
             {({
               placement: _placement,

src/context/ThemeContext.tsx

@@ -0,0 +1,29 @@
+import React, { ReactNode, createContext, useState } from "react";
+
+const ThemeContext = createContext({
+  theme: "light",
+  toggleMode: () => {},
+});
+
+interface ThemeProps {
+  children: ReactNode;
+}
+
+export const ThemeContextProvider = ({ children }: ThemeProps) => {
+  const [theme, setTheme] = useState(
+    window.localStorage.getItem("theme") || "light"
+  );
+
+  const toggleMode = () => {
+    setTheme((prev) => (prev === "light" ? "dark" : "light"));
+    window.localStorage.setItem("theme", theme === "light" ? "dark" : "light");
+  };
+
+  return (
+    <ThemeContext.Provider value={{ theme, toggleMode }}>
+      {children}
+    </ThemeContext.Provider>
+  );
+};
+
+export default ThemeContext;

src/index.tsx

@@ -1,12 +1,14 @@
 import React from "react";
 import ReactDOM from "react-dom/client";
 import { BrowserRouter as Router } from "react-router-dom";
-import { AuthContextProvider } from "context/AuthContext";
+
 import App from "./pages/App";
 import firebase from "./firebaseApp";
 import "../src/styles/global.css";
 import "bootstrap/dist/css/bootstrap.min.css";
 import { SectionProvider } from "context/SectionContext";
+import { ThemeContextProvider } from "context/ThemeContext";
+import { AuthContextProvider } from "context/AuthContext";
 
 const rootElement = document.getElementById("root");
 
@@ -17,11 +19,13 @@ if (rootElement) {
   root.render(
     <React.StrictMode>
       <AuthContextProvider>
-        <SectionProvider>
-          <Router>
-            <App />
-          </Router>
-        </SectionProvider>
+        <ThemeContextProvider>
+          <SectionProvider>
+            <Router>
+              <App />
+            </Router>
+          </SectionProvider>
+        </ThemeContextProvider>
       </AuthContextProvider>
     </React.StrictMode>,
   );

src/pages/App.tsx

@@ -1,13 +1,15 @@
 import { ToastContainer } from "react-toastify";
 import { getAuth, onAuthStateChanged } from "firebase/auth";
-import React, { useEffect, useState } from "react";
+import React, { useEffect, useState, useContext } from "react";
 import { Routes } from "./Routes";
 import { app } from "../firebaseApp";
+import ThemeContext from "context/ThemeContext";
 import LoadingSpinner from "../components/Common/LoadingSpinner/LoadingSpinner";
 import "react-toastify/dist/ReactToastify.css";
 
 function App() {
   const auth = getAuth(app);
+  const context = useContext(ThemeContext);
   const [init, setInit] = useState<boolean>(false);
   const [isAuthenticated, setIsAuthenticated] = useState<boolean>(!!auth?.currentUser);
 
@@ -24,19 +26,21 @@ function App() {
 
   return (
     <>
-      <ToastContainer 
-        position="top-center" 
-        autoClose={5000}
-        hideProgressBar={false}
-        newestOnTop={false}
-        closeOnClick
-        rtl={false}
-        pauseOnFocusLoss
-        draggable
-        pauseOnHover
-        theme="light"
-      />
-      {init ? <Routes isAuthenticated={isAuthenticated} /> : <LoadingSpinner/>}
+      <div className={context.theme === "light" ? "white" : "dark"}>
+        <ToastContainer 
+          position="top-center" 
+          autoClose={5000}
+          hideProgressBar={false}
+          newestOnTop={false}
+          closeOnClick
+          rtl={false}
+          pauseOnFocusLoss
+          draggable
+          pauseOnHover
+          theme={context.theme === "light" ? "white" : "dark"}
+        />
+        {init ? <Routes isAuthenticated={isAuthenticated} /> : <LoadingSpinner/>}
+      </div>
     </>
   );
 }

src/pages/HomePage/index.tsx

@@ -8,15 +8,16 @@ interface ButtonProps {
   backgroundColor: string;
   description: string;
   hover: string;
+  dark: string;
   testId: string;
 }
 
 function HomePage() {
   return (
-    <div className="w-full h-[calc(100vh-80px)] flex flex-col items-center justify-center gap-[20px]">
+    <div className="dark:bg-gradient-dark w-full h-[calc(100vh-80px)] flex flex-col items-center justify-center gap-[20px]">
       <div className="flex-Center flex-col" data-testid="home">
         <img alt="로고" src="/images/rm-logo.png" width="150" height="150" data-testid="logo" />
-        <span className="text-textPrimary  text-3xl md:text-6xl sm:text-5xl font-bold line-lg" data-testid="title">
+        <span className="text-textPrimary  dark:text-textWhite text-3xl md:text-6xl sm:text-5xl font-bold line-lg" data-testid="title">
           README-MONSTER
         </span>
         <p
@@ -32,6 +33,7 @@ function HomePage() {
           url="/editor"
           color="text-white"
           backgroundColor="bg-textBlue"
+          dark="bg-darkSecondary"
           hover="hover:bg-textBlueHover"
           description="시작하기"
           testId="firstButton"
@@ -40,6 +42,7 @@ function HomePage() {
           url="/signup"
           color="text-textPrimary"
           backgroundColor="bg-gray-200"
+          dark="bg-gray-200"
           hover="hover:bg-textgreyHover"
           description="더 알아보기"
           testId="secondButton"
@@ -52,7 +55,7 @@ function HomePage() {
 
 export default HomePage;
 
-export function Button({ url, color, backgroundColor, description, hover, testId }: ButtonProps) {
+export function Button({ url, color, backgroundColor, description, hover, dark, testId }: ButtonProps) {
   const router = useRouter();
   const handleClick = () => {
     router.push(url);
@@ -67,7 +70,8 @@ export function Button({ url, color, backgroundColor, description, hover, testId
           font-medium text-xl 
           ${backgroundColor} 
           ${hover} 
-          border border-transparent rounded-lg 
+          border-transparent rounded-lg 
+          dark:${dark}
           ${color} 
           w-[250px] h-[54px] 
           justify-center

src/pages/LoginPage/index.tsx

@@ -84,10 +84,10 @@ const LoginPage = () => {
   return (
     <div className="mx-auto max-w-screen-xl px-4 py-16 sm:px-6 lg:px-8" data-testid="login">
       <div className="mx-auto max-w-lg">
-        <h1 className="text-center text-2xl font-bold sm:text-3xl h-1px">로그인</h1>
+        <h1 className="text-center text-2xl dark:text-textWhite font-bold sm:text-3xl h-1px">로그인</h1>
 
         <p className="text-center text-sm text-gray-300 bg-gray-300 mx-4 mt-5 leading-none h-px">
-          <span className="bg-white p-3">또는</span>
+          <span className="bg-textWhite dark:bg-darkPrimary p-3">또는</span>
         </p>
 
         <form className="mb-0 mt-6 space-y-4  p-4 sm:p-6 lg:p-8" onSubmit={handleSubmit}>
@@ -113,7 +113,7 @@ const LoginPage = () => {
 
           <button
             type="submit"
-            className="block w-full rounded-lg bg-textBlue px-5 py-3 text-sm font-medium text-white cursor-pointer"
+            className="block w-full rounded-lg bg-textBlue dark:bg-darkSecondary px-5 py-3 text-sm font-medium text-white cursor-pointer"
             data-testid="login-button"
             // disabled={Object.keys(errors).length > 0}
           >

src/pages/SignupPage/index.tsx

@@ -118,10 +118,10 @@ function SignupPage() {
   return (
     <div className="mx-auto max-w-screen-xl px-4 py-16 sm:px-6 lg:px-8" data-testid="signup">
       <div className="mx-auto max-w-lg">
-        <h1 className="text-center text-2xl font-bold sm:text-3xl h-1px">회원가입</h1>
+        <h1 className="text-center text-2xl dark:text-textWhite font-bold sm:text-3xl h-1px">회원가입</h1>
 
         <p className="text-center text-sm text-gray-300 bg-gray-300 mx-4 mt-5 leading-none h-px">
-          <span className="bg-white p-3">또는</span>
+          <span className="bg-textWhite dark:bg-darkPrimary p-3">또는</span>
         </p>
 
         <form className="mb-0 mt-6 space-y-4  p-4 sm:p-6 lg:p-8" onSubmit={handleSubmit}>
@@ -167,7 +167,7 @@ function SignupPage() {
 
           <button
             type="submit"
-            className="block w-full rounded-lg bg-textBlue px-5 py-3 text-sm font-medium text-white cursor-pointer"
+            className="block w-full rounded-lg bg-textBlue dark:bg-darkSecondary px-5 py-3 text-sm font-medium text-white cursor-pointer"
             data-testid="signup-button"
             // disabled={Object.keys(errors).length > 0}
           >

src/styles/global.css

@@ -21,4 +21,16 @@
     .editor .w-md-editor-content {
         padding: 5px
     }
+
+    .white {
+        transition: all 0.25s linear;
+        background-color: white;
+    }
+
+    .dark {
+        transition: all 0.25s linear;
+        background-color: #1e2937;
+        min-height: 100vh;
+    }
+
 }

tailwind.config.js

@@ -1,6 +1,7 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: ["./src/**/*.{js,jsx,ts,tsx}"],
+  darkMode: 'class',
   theme: {
     extend: {
       colors: {
@@ -12,6 +13,11 @@ module.exports = {
         textgreyHover: "#E0DEDE",
         textWhite: "#FFFFFF",
         textBlack: "#000000",
+        darkPrimary: "#1e2937",
+        darkSecondary: "#374152",
+      },
+      backgroundImage: {
+        'gradient-dark': 'linear-gradient(#1e2937, #556274) !important', // 새 그라데이션 추가
       },
       screens: {
         mobile: "768px",