웹 팩 환경 설정

webpack.config.js

{
  "name": "learnreact",
  "version": "1.0.0",
  "description": "React ",
  "main": "webpack.config.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
     "start": "./node_modules/.bin/webpack-dev-server --content-base src   --inline --hot",
    "build": "webpack --display-error-details",
    "watch": "webpack --progress --colors --watch"
  },
  "keywords": [
    "react"
  ],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "babel-core": "^6.11.4",
    "babel-loader": "^6.2.4",
    "babel-plugin-add-module-exports": "^0.2.1",
    "babel-plugin-react-html-attrs": "^2.0.0",
    "babel-plugin-transform-class-properties": "^6.11.5",
    "babel-plugin-transform-decorators-legacy": "^1.3.4",
    "babel-preset-es2015": "^6.9.0",
    "babel-preset-react": "^6.11.1",
    "babel-preset-stage-0": "^6.5.0",
    "react": "^15.2.1",
    "react-dom": "^15.2.1",
    "webpack": "^1.13.2",
    "webpack-dev-server": "^1.15.0"
  }
}

package.json

{
  "name": "learnreact",
  "version": "1.0.0",
  "description": "React ",
  "main": "index.js",
  "scripts": {
    "dev": "./node_modules/.bin/webpack-dev-server --content-base src --inline --hot",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+https://github.com/cathyleeu/react-learncodeacademy.git"
  },
  "keywords": [
    "react"
  ],
  "author": "cathyleeu",
  "license": "ISC",
  "bugs": {
    "url": "https://github.com/cathyleeu/react-learncodeacademy/issues"
  },
  "homepage": "https://github.com/cathyleeu/react-learncodeacademy#readme",
  "dependencies": {
    "babel-core": "^6.11.4",
    "babel-loader": "^6.2.4",
    "babel-plugin-add-module-exports": "^0.2.1",
    "babel-plugin-react-html-attrs": "^2.0.0",
    "babel-plugin-transform-class-properties": "^6.11.5",
    "babel-plugin-transform-decorators-legacy": "^1.3.4",
    "babel-preset-es2015": "^6.9.0",
    "babel-preset-react": "^6.11.1",
    "babel-preset-stage-0": "^6.5.0",
    "react": "^15.2.1",
    "react-dom": "^15.2.1",
    "webpack": "^1.13.1",
    "webpack-dev-server": "^1.15.0"
  }
}

client.js

import React from 'react';
import ReactDOM from 'react-dom';

class Layout extends React.Component{
    render(){
        return(
            
ws!!!ooh
            );
    }
}

const app=document.getElementById('app');
ReactDOM.render(,app);

index.html