1. 下载包
npm i html-webpack-plugin -D
2. 配置
webpack.config.js
const path = require("path");
const ESLintWebpackPlugin = require("eslint-webpack-plugin");
const HtmlWebpackPlugin = require("html-webpack-plugin");
module.exports = {
entry: "./src/main.js",
output: {
path: path.resolve(__dirname, "dist"),
filename: "static/js/main.js", // 将 js 文件输出到 static/js 目录中
clean: true, // 自动将上次打包目录资源清空
},
module: {
rules: [
{
// 用来匹配 .css 结尾的文件
test: /\.css$/,
// use 数组里面 Loader 执行顺序是从右到左
use: ["style-loader", "css-loader"],
},
{
test: /\.less$/,
use: ["style-loader", "css-loader", "less-loader"],
},
{
test: /\.s[ac]ss$/,
use: ["style-loader", "css-loader", "sass-loader"],
},
{
test: /\.styl$/,
use: ["style-loader", "css-loader", "stylus-loader"],
},
{
test: /\.(png|jpe?g|gif|webp)$/,
type: "asset",
parser: {
dataUrlCondition: {
maxSize: 10 * 1024, // 小于10kb的图片会被base64处理
},
},
generator: {
// 将图片文件输出到 static/imgs 目录中
// 将图片文件命名 [hash:8][ext][query]
// [hash:8]: hash值取8位
// [ext]: 使用之前的文件扩展名
// [query]: 添加之前的query参数
filename: "static/imgs/[hash:8][ext][query]",
},
},
{
test: /\.(ttf|woff2?)$/,
type: "asset/resource",
generator: {
filename: "static/media/[hash:8][ext][query]",
},
},
{
test: /\.js$/,
exclude: /node_modules/, // 排除node_modules代码不编译
loader: "babel-loader",
},
],
},
plugins: [
new ESLintWebpackPlugin({
// 指定检查文件的根目录
context: path.resolve(__dirname, "src"),
}),
new HtmlWebpackPlugin({
// 以 public/index.html 为模板创建文件
// 新的html文件有两个特点：1. 内容和源文件一致 2. 自动引入打包生成的js等资源
template: path.resolve(__dirname, "public/index.html"),
}),
],
mode: "development",
};
3. 修改 index.html
去掉引入的 js 文件，因为 HtmlWebpackPlugin 会自动引入
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>webpack5</title>
</head>
<body>
<h1>Hello Webpack5</h1>
<div class="box1"></div>
<div class="box2"></div>
<div class="box3"></div>
<div class="box4"></div>
<div class="box5"></div>
<i class="iconfont icon-arrow-down"></i>
<i class="iconfont icon-ashbin"></i>
<i class="iconfont icon-browse"></i>
</body>
</html>
4. 运行指令
npx webpack
此时 dist 目录就会输出一个 index.html 文件