webpack管理输出outputmanagement

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WebPack管理输出(Output Management)

管理输出(Output Management)

项目准备

目录

 webpack-demo
  |- package.json
  |- package-lock.json
  |- webpack.config.js
  |- /dist
  |- /src
    |- index.js
+   |- print.js
  |- /node_modules

src/print.js(新增入口)

export default function printMe() {
  console.log('I get called from print.js!');
}

src/index.js(编辑默认入口)

 import _ from 'lodash';
+import printMe from './print.js';

 function component() {
   const element = document.createElement('div');
+  const btn = document.createElement('button');

   element.innerHTML = _.join(['Hello', 'webpack'], ' ');

+  btn.innerHTML = 'Click me and check the console!';
+  btn.onclick = printMe;

+  element.appendChild(btn);

   return element;
 }

 document.body.appendChild(component());

dist/index.html(修改静态页面)

 <!DOCTYPE html>
 <html>
   <head>
     <meta charset="utf-8" />
-    <title>管理资源</title>
+    <title>管理输出</title>
+    <script src="./print.bundle.js"></script>
   </head>
   <body>
-    <script src="bundle.js"></script>
+    <script src="./index.bundle.js"></script>
   </body>
 </html>

webpack.config.js(配置文件)

 const path = require('path');

 module.exports = {
-  entry: './src/index.js',
+  entry: {
+    index: './src/index.js',
+    print: './src/print.js',
+  },
   output: {
-    filename: 'bundle.js',
+    filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
   },
 };

构建

npm run build

设置 HtmlWebpackPlugin

首先安装插件

npm install --save-dev html-webpack-plugin

调整webpack.config.js

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

 module.exports = {
   entry: {
     index: './src/index.js',
     print: './src/print.js',
   },
+  plugins: [
+    new HtmlWebpackPlugin({
+      title: '管理输出',
+    }),
+  ],
   output: {
     filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
   },
 };

清理 /dist 文件夹

修改webpack.config.js

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

 module.exports = {
   entry: {
     index: './src/index.js',
     print: './src/print.js',
   },
   plugins: [
     new HtmlWebpackPlugin({
       title: 'Output Management',
     }),
   ],
   output: {
     filename: '[name].bundle.js',
     path: path.resolve(__dirname, 'dist'),
+    clean: true,
   },
 };

执行

npm run build

转载注明:

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