详解用webpack2搭建angular2的项目

package.json{ "name": "angular-webpack", "version": "1.0.0", "description": "webpack2 & angular2", "scripts": {  "dev": "babel-node ./src/config/dev.js" }, "author": "Travis Lee", "license": "ISC", "dependencies": {  "@angular/common": "~4.0.0",  "@angular/compiler": "~4.0.0",  "@angular/core": "~4.0.0",  "@angular/forms": "~4.0.0",  "@angular/http": "~4.0.0",  "@angular/platform-browser": "~4.0.0",  "@angular/platform-browser-dynamic": "~4.0.0",  "@angular/router": "~4.0.0",  "core-js": "^2.4.1",  "es6-shim": "^0.35.3",  "reflect-metadata": "^0.1.8",  "rxjs": "5.0.1",  "zone.js": "^0.8.4" }, "devDependencies": {  "babel-core": "^6.25.0",  "babel-loader": "^7.1.0",  "babel-preset-es2015": "^6.24.1",  "clean-webpack-plugin": "^0.1.16",  "css-loader": "^0.28.4",  "extract-text-webpack-plugin": "^2.1.2",  "path": "^0.12.7",  "style-loader": "^0.18.2",  "ts-loader": "^2.1.0",  "typescript": "^2.3.4",  "typings": "^2.1.1",  "uglifyjs-webpack-plugin": "^0.4.6",  "webpack": "^2.6.1",  "webpack-dev-server": "^2.5.0",  "webpack-merge": "^4.1.0" }}

import path from 'path'import config from "./webpack.config"import merge from "webpack-merge"import webpack from "webpack"import webpackDevServer from "webpack-dev-server"import { format } from 'util'let PORT = 1699;let PUBLIC_PATH = "http://localhost:" + PORT + "/";let webpackConifg = merge(config, {  devtool: "source-map",  //debug: true, webpack2 已切换到plugins中，据说在3中将取消  entry: {    main: [      format("webpack-dev-server/client?%s", PUBLIC_PATH),      "webpack/hot/dev-server",      "./src/main.ts"    ]  },  output: {    path: path.resolve(__dirname, '../../dist'),    publicPath: PUBLIC_PATH,    filename: '[name].js'  },  plugins: [    new webpack.HotModuleReplacementPlugin()  ]})const compiler = webpack(webpackConifg);new webpackDevServer(compiler, {  inline: true,  hot: true,  port: PORT,  stats: {    colors: true  }}).listen(PORT, 'localhost', (err) => {  console.log(123)})