详解用webpack2搭建angular2的项目

详解用webpack2搭建angular2的项目

webpack2和angular2搭建的项目

github地址:项目链接

npm install，安装依赖包

npm run dev，启动本地工程，在localhost:1699进行预览

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",

TKoHNxO "webpack-merge": "^4.1.0"

}

}

webpack配置文件开发版：

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"

]

},

http:// 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)

})

搭建中遇到的问题：

The URL 'localhost:1699/sockjs-node' is invalid，

该问题是由于webpack配置文件中的publicPath前边没有加http://，导致url解析失败

Uncaught reflect-metadata shim is required when using class decorators，

这个问题是由于main.ts文件中没有引入 reflect-metadata和zone.js

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