webpack-test/webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require("html-webpack-plugin");
const {CleanWebpackPlugin} = require("clean-webpack-plugin");

const config = {
    mode: 'development',
    entry: ['@babel/polyfill', path.resolve(__dirname, './src/index.js')],
    output: {
        filename: '[name].[hash:8].js',
        path: path.resolve(__dirname, './dist')
    },
    plugins: [
        // 自动把入口 js 插入到 index.html 中
        new HtmlWebpackPlugin({
            filename: "index.html",
            template: path.resolve(__dirname, './src/public/index.html')
        }),
        // 清除 dist 的插件
        new CleanWebpackPlugin()
    ],
    module: {
        rules: [
            // 转为 es5 语法，兼容更多浏览器
            {
                test: /\.js$/,
                exclude: /node_modules/,
                use: [
                    {
                        loader: 'babel-loader',
                        options: {
                            presets: ['@babel/preset-env']
                        }
                    }
                ]
            },
            // css 打包
            {
                test: /\.css$/,
                use: ['style-loader', 'css-loader']
            },
            // 设置 limit，如果超过限制，使用 file-loader 打包
            {
                test: /\.(jpg|png|gif)$/,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            limit: 1024,
                            fallback: {
                                loader: 'file-loader',
                                options: {
                                    name: 'img/[name].[hash:8].[ext]'
                                }
                            }
                        }
                    }
                ]
            },
            {
                test: /\.(mp4|webm|ogg|mp3|wav)(\?.*)?$/,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            limit: 1024,
                            fallback: {
                                loader: 'file-loader',
                                options: {
                                    name: 'media/[name].[hash:8].[ext]'
                                }
                            }
                        }
                    }
                ]
            },
            {
                test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            limit: 1024,
                            fallback: {
                                loader: 'file-loader',
                                options: {
                                    name: 'fonts/[name].[hash:8].[ext]'
                                }
                            }
                        }
                    }
                ]
            }
        ]
    },
    devServer: {
        port: '3000',
        host: '127.0.0.1',
        hot: true,
        // 自动打开 url
        open: true
    },
}

module.exports = config;