个人记录
1、npm install webpack-dev-server –save-dev
2、在webpack.config.js配置 devServer：
image
3、package.json 中配置：
"scripts": {
"watch": "webpack --progress --watch",
"dev": "webpack-dev-server --open",
"build": "webpack --mode production",
"test": "echo \"Error: no test specified\" && exit 1"
}
