webpack.config.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const path = require('path');

module.exports = {
    entry: './src/index.js',
    output: {
        path: path.resolve(__dirname, 'dist'),
        filename: 'bundle.js'
    },

    devServer: {
        hot: true,
        open: true
    },

    module: {
        rules: [
            {
                test: /\.js$/,
                loader: 'babel-loader',
                exclude: /node_modules/
            },
            {
                test: /\.less$/,
                use: [
                    'style-loader',
                    { loader: 'css-loader', options: { importLoaders: 1 } },
                    'postcss-loader',
                    'less-loader'
                ]
            },
            {
                test: /\.(png|jpe?g|gif)$/i,
                use: [
                    {
                        loader: 'file-loader',
                    },
                ],
            },
        ]
    },


    plugins: [new HtmlWebpackPlugin({ // 打包输出HTML
        title: 'Hello World app',
        minify: { // 压缩HTML文件
            removeComments: true, // 移除HTML中的注释
            collapseWhitespace: true, // 删除空白符与换行符
            minifyCSS: true// 压缩内联css
        },
        filename: 'index.html',
        template: 'index.html'
    })]
};