近日自己项目遇到需要用webpack搭建react环境,查了挺多 ,自己总结一下
1.下载安装最新版node.js(https://nodejs.org/en/)
2.主要看自己网络情况,可以选择安装淘宝镜像去搭建环境
npm config set registry http://registry.npm.taobao.org/
3.通过npm/cnpm全局安装webpack, Babel, Webpack-dev-server:
npm install babel webpack webpack-dev-server -g
4.选择项目存放目录,用npm init 初始化 npm 项目
5.在项目中安装 react, react-dom
npm install react react-dom --save
6.在项目中安装 Babel 转换器,这里用到插件 babel-preset-react, babel-preset-latest,latest 即最新的 ES 规范,包括了 Async/Await 这些新特性。
npm install babel-loader babel-core babel-preset-react babel-preset-latest --save
7.创建项目文件,main.js 即项目入口文件,App.js 即 React 组件主文件
文件目录最终为:
8.配置webpack,编辑webpack.config.js
module.exports = {
entry: './main.js', // 入口文件路径
output: {
path: '/',
filename: 'index.js'
},
devServer: {
inline: true,
port:
},
module: {
loaders: [
{
test: /\.js$/, // babel 转换为兼容性的 js
exclude: /node_modules/,
loader: 'babel-loader',
query: {
presets: ['react', 'latest']
}
}
]
}
}
9.写index.html:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>React Hello World</title>
</head>
<body>
<div id="app"></div>
<script src="index.js"></script>
</body>
</html>
写App.js:
import React from 'react';class App extends React.Component { render() {
return <div>Hello World!</div>
}
}export default App
写Main.js:
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App';ReactDOM.render(<App />, document.getElementById('app'));
10.配置 npm scripts, 编辑 package.json,在”scripts”属性处添加一行:
"scripts": {
"start": "webpack-dev-server"
},
11.基本的框架搭建完毕,npm start 然后打开 http://localhost:3333 试试:
npm start