firstReact

2d6ddb7f · LeeJaeYoung · 2d6ddb7f · 2d6ddb7f · 2d6ddb7f · 2d6ddb7f
Commit 2d6ddb7f authored Jul 7, 2023 by LeeJaeYoung
--- a/.babelrc
+++ b/.babelrc
+{
+    "presets": [
+        "@babel/preset-env",
+        "@babel/preset-react"
+    ]
+}
\ No newline at end of file
--- a/.gitignore
+++ b/.gitignore
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+# testing
+/coverage
+# production
+/build
+package-lock.json
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
--- a/README.md
+++ b/README.md
+# React Starter Kit - A Boilerplate Code
+- Webpack, Babel을 통해 React 코드를 빌드하도록 설정되어 있습니다.
+- Webpack-dev-server가 내장되어 있습니다.
+- node_modules 폴더 아래 파일들은 감시하지 않도록 설정되어 있습니다.
+## 작동환경 
+- node v10.0+
+- npm v6.0+
+- yarn v1.13.0+
+## 간단 사용법
+``` bash
+# 이 프로젝트를 클론하여 다운 받습니다.
+$ git clone https://git.ajou.ac.kr/JYCHOI/react-starter.git 
+# react-starter 디렉토리로 이동
+$ cd react-starter
+# git reppo. 삭제
+$ rm -rf .git
+# 새로운 git Repo. 생성
+$ git init
+# 코딩 작업 후, 여러분의 프로젝트 원격 Repo에 push
+$ git push origin
+```
--- a/package.json
+++ b/package.json
+{
+  "name": "react-boilerplate",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "scripts": {
+    "start": "webpack-dev-server --open --mode development --port 3000",
+    "build": "webpack --mode production"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": [
+    ">0.2%",
+    "not dead",
+    "not ie <= 11",
+    "not op_mini all"
+  ],
+  "devDependencies": {
+    "@babel/core": "^7.2.2",
+    "@babel/preset-env": "^7.3.1",
+    "@babel/preset-react": "^7.0.0",
+    "babel-loader": "^8.0.5",
+    "css-loader": "^6.7.3",
+    "style-loader": "^3.3.2",
+    "file-loader": "^6.2.0",
+    "webpack": "^5.77.0",
+    "webpack-cli": "^5.0.1",
+    "webpack-dev-server": "^4.13.1"
+  }
+}
--- a/public/app.bundle.js
+++ b/public/app.bundle.js
--- a/public/app.bundle.js.LICENSE.txt
+++ b/public/app.bundle.js.LICENSE.txt
+/**
+ * @license React
+ * react-dom.production.min.js
+ *
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+/**
+ * @license React
+ * react.production.min.js
+ *
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+/**
+ * @license React
+ * scheduler.production.min.js
+ *
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
--- a/public/index.html
+++ b/public/index.html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
+    <title>React App</title>
+</head>
+<body>
+    <div id="root"></div>
+    <script src="./app.bundle.js"></script>
+</body>
+</html>
--- a/src/App.js
+++ b/src/App.js
+import React, { useState, useEffect, useMemo } from 'react';
+const cityList = [
+  { cityName: 'LA', timezone: 'America/Los_Angeles' },
+  { cityName: 'Tokyo', timezone: 'Asia/Tokyo' },
+  { cityName: 'Campinas', timezone: 'America/Sao_Paulo'}
+];
+const TimeButton = ({ cityName, timezone }) => {
+  const [showTime, setShowTime] = useState(false); //토글
+  const [currentTime, setCurrentTime] = useState(new Date());
+  useEffect(() => {
+    const timer = setInterval(() => {
+      setCurrentTime(new Date());
+    }, 1000);
+    return () => {
+      clearInterval(timer);
+    };
+  }, []);
+  const handleButtonClick = () => {
+    setShowTime(!showTime);
+  };
+  const localTime = useMemo(() => {
+    const option = {
+      timeZone: timezone,
+      hour: 'numeric',
+      minute: 'numeric',
+      second: 'numeric',
+    };
+    return currentTime.toLocaleTimeString('ko-KR', option);
+  }, [currentTime, timezone]);
+  return (
+    <>
+      <div>
+       <button onClick={handleButtonClick}>
+        {cityName}
+       </button>
+      </div>
+      {showTime && <>{localTime}</>}
+    </>
+  );
+};
+const App = () => {
+  return (
+    <>
+      {cityList.map((city) => (
+        <TimeButton
+          key={city.cityName}
+          cityName={city.cityName}
+          timezone={city.timezone}
+        />
+      ))}
+    </>
+  );
+};
+export default App;
--- a/src/index.js
+++ b/src/index.js
+import React from 'react';
+import ReactDOM from 'react-dom/client';
+import App from './App';
+var container = document.getElementById('root');
+var root = ReactDOM.createRoot(container);
+root.render(<App />);
+module.hot.accept()
--- a/webpack.config.js
+++ b/webpack.config.js
+const path = require('path');
+const webpack = require('webpack');
+module.exports = {
+    entry: {
+        app: './src/index.js'
+    },
+    output: {
+        filename: '[name].bundle.js',
+        path: path.resolve(__dirname, 'public')
+    },
+    module: {
+        rules: [{
+            test: /\.(js|jsx)$/,
+            exclude: /node_modules/,
+            use: {
+                loader: 'babel-loader'
+            }
+        },
+                {
+            test: /\.css$/i,
+            use: ['style-loader', 'css-loader']
+        },
+        {
+            test: /\.(png|jpe?g|gif)$/i,
+            loader: 'file-loader',
+        }]
+    },
+    devServer: {
+        static: {
+            directory: path.join(__dirname, 'public'),
+        },
+        allowedHosts: 'all',
+    },
+    plugins: [
+        new webpack.HotModuleReplacementPlugin()
+    ],
+    watchOptions: {
+        ignored: '**/node_modules',
+    },
+};