devServer

const {resolve} = require(‘path‘)
const HtmlWebpackPlugin = require(‘html-webpack-plugin‘)

module.exports={
    entry:‘./src/index.js‘,
    output:{
        filename:‘bundle.js‘,
        path:resolve(__dirname,‘build‘)
    },
    module:{
        rules:[
            {
                test:/\.css$/,
                use:[‘style-loader‘,‘css-loader‘]
            },
            //打包其他资源（如字体图标)
            {
                exclude:/\.(css|js|html|less)$/,
                loader:‘file-loader‘,
                options:{
                    name:‘[hash:10].[ext]‘
                }
            }
        ]
    },
    plugins:[
        new HtmlWebpackPlugin({
            template:‘./src/index.html‘
        })
    ],
    mode:‘development‘,
    devServer: {
        contentBase: resolve(__dirname, ‘build‘), //项目构建后路径
        compress: true, //启动gzip压缩
        port: 3000, //端口号
        open: true //自动打开浏览器
    }
}