web0331/22.webpack/webpack.config.js

const HtmlWebpackPlugin = require('html-webpack-plugin');
const path = require('path');
// node写法
module.exports = {
    mode: 'production',
    // entry: "./src/index.js",
    // entry: ['./src/a.js','./src/index.js']
    // entry: {
    //     hi:'./src/a.js',
    //     hello:'./src/index.js'
    // }
    output: {
        // filename: '[name]-[id]-[hash].js',
        // path: path.resolve(__dirname, 'dist'),
        clean: true,
    },
    module: {
        rules: [
            {
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            }, {
                test: /\.(png|svg|jpg|jpeg|gif)$/i,
                type: 'asset/resource',
            },
            {
                test: /\.m?js$/,
                exclude: /(node_modules|bower_components)/,
                use: {
                    loader: 'babel-loader',
                    options: {
                        presets: ['@babel/preset-env'],
                    },
                },
            },
        ]
    },
    plugins: [
        new HtmlWebpackPlugin({
            template:'./src/index.html'
        })
    ],
    devtool:'inlin-source-map'
}