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dive-into-webpack


			
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                    深入浅出 Webpack
            
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                    前言
            
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                    第1章 入门
            
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                    1-1 前端的发展
            
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                    1-2 常见的构建工具及对比
            
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                    1-3 安装与使用
            
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                    1-4 使用 Loader
            
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                    1-5 使用 Plugin
            
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                    1-6 使用 DevServer
            
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                    1-7 核心概念
            
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                    第2章 配置
            
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                    2-1 Entry
            
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                    2-2 Output
            
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                    2-3 Module
            
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                    2-4 Resolve
            
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                    2-5 Plugins
            
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                    2-6 DevServer
            
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                    2-7 其它配置项
            
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                    2-8 整体配置结构
            
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                    2-9 多种配置类型
            
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                    2-10 配置总结
            
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                    第3章 实战
            
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                    3-1 使用 ES6 语言
            
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                    3-2 使用 TypeScript 语言
            
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                    3-3 使用 Flow 检查器
            
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                    3-4 使用 SCSS
            
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                    3-5 使用 PostCSS
            
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                    3-6 使用 React 框架
            
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                    3-7 使用 Vue 框架
            
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                    3-8 使用 Angular2 框架
            
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                    3-9 为单页应用生成 HTML
            
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                    3-10 管理多个单页应用
            
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                    3-11 构建同构应用
            
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                    3-12 构建 Electron 应用
            
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                    3-13 构建 Npm 模块
            
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                    3-14 构建离线应用
            
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                    3-15 搭配 Npm Script
            
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                    3-16 检查代码
            
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                    3-17 通过 Node.js API 启动 Webpack
            
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                    3-18 使用 Webpack Dev Middleware
            
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                    3-19 加载图片
            
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                    3-20 加载SVG
            
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                    3-21 加载 Source Map
            
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                    3-22 实战总结
            
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                    第4章 优化
            
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                    4-1 缩小文件搜索范围
            
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                    4-2 使用 DllPlugin
            
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                    4-3 使用 HappyPack
            
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                    4-4 使用 ParallelUglifyPlugin
            
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                    4-5 使用自动刷新
            
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<li class="chapter " data-level="1.6.6" data-path="../4优化/4-6开启模块热替换.html">
  
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                    4-6 开启模块热替换
            
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<li class="chapter " data-level="1.6.7" data-path="../4优化/4-7区分环境.html">
  
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                    4-7 区分环境
            
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<li class="chapter " data-level="1.6.8" data-path="../4优化/4-8压缩代码.html">
  
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                    4-8 压缩代码
            
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<li class="chapter " data-level="1.6.9" data-path="../4优化/4-9CDN加速.html">
  
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                    4-9 CDN 加速
            
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<li class="chapter " data-level="1.6.10" data-path="../4优化/4-10使用TreeShaking.html">
  
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                    4-10 使用 Tree Shaking
            
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<li class="chapter " data-level="1.6.11" data-path="../4优化/4-11提取公共代码.html">
  
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                    4-11 提取公共代码
            
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<li class="chapter " data-level="1.6.12" data-path="../4优化/4-12按需加载.html">
  
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                    4-12 按需加载
            
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<li class="chapter " data-level="1.6.13" data-path="../4优化/4-13使用Prepack.html">
  
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                    4-13 使用 Prepack
            
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<li class="chapter " data-level="1.6.14" data-path="../4优化/4-14开启ScopeHoisting.html">
  
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                    4-14 开启 Scope Hoisting
            
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<li class="chapter " data-level="1.6.15" data-path="../4优化/4-15输出分析.html">
  
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                    4-15 输出分析
            
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                                <h1 id="2-3-module">2-3 Module</h1>
<p><code>module</code> &#x914D;&#x7F6E;&#x5982;&#x4F55;&#x5904;&#x7406;&#x6A21;&#x5757;&#x3002;</p>
<h2 id="&#x914D;&#x7F6E;-loader">&#x914D;&#x7F6E; Loader</h2>
<p><code>rules</code> &#x914D;&#x7F6E;&#x6A21;&#x5757;&#x7684;&#x8BFB;&#x53D6;&#x548C;&#x89E3;&#x6790;&#x89C4;&#x5219;&#xFF0C;&#x901A;&#x5E38;&#x7528;&#x6765;&#x914D;&#x7F6E; Loader&#x3002;&#x5176;&#x7C7B;&#x578B;&#x662F;&#x4E00;&#x4E2A;&#x6570;&#x7EC4;&#xFF0C;&#x6570;&#x7EC4;&#x91CC;&#x6BCF;&#x4E00;&#x9879;&#x90FD;&#x63CF;&#x8FF0;&#x4E86;&#x5982;&#x4F55;&#x53BB;&#x5904;&#x7406;&#x90E8;&#x5206;&#x6587;&#x4EF6;&#x3002;
&#x914D;&#x7F6E;&#x4E00;&#x9879; <code>rules</code> &#x65F6;&#x5927;&#x81F4;&#x901A;&#x8FC7;&#x4EE5;&#x4E0B;&#x65B9;&#x5F0F;&#xFF1A;</p>
<ol>
<li>&#x6761;&#x4EF6;&#x5339;&#x914D;&#xFF1A;&#x901A;&#x8FC7; <code>test</code> &#x3001; <code>include</code> &#x3001; <code>exclude</code> &#x4E09;&#x4E2A;&#x914D;&#x7F6E;&#x9879;&#x6765;&#x547D;&#x4E2D; Loader &#x8981;&#x5E94;&#x7528;&#x89C4;&#x5219;&#x7684;&#x6587;&#x4EF6;&#x3002;</li>
<li>&#x5E94;&#x7528;&#x89C4;&#x5219;&#xFF1A;&#x5BF9;&#x9009;&#x4E2D;&#x540E;&#x7684;&#x6587;&#x4EF6;&#x901A;&#x8FC7; <code>use</code> &#x914D;&#x7F6E;&#x9879;&#x6765;&#x5E94;&#x7528; Loader&#xFF0C;&#x53EF;&#x4EE5;&#x53EA;&#x5E94;&#x7528;&#x4E00;&#x4E2A; Loader &#x6216;&#x8005;&#x6309;&#x7167;&#x4ECE;&#x540E;&#x5F80;&#x524D;&#x7684;&#x987A;&#x5E8F;&#x5E94;&#x7528;&#x4E00;&#x7EC4; Loader&#xFF0C;&#x540C;&#x65F6;&#x8FD8;&#x53EF;&#x4EE5;&#x5206;&#x522B;&#x7ED9; Loader &#x4F20;&#x5165;&#x53C2;&#x6570;&#x3002;</li>
<li>&#x91CD;&#x7F6E;&#x987A;&#x5E8F;&#xFF1A;&#x4E00;&#x7EC4; Loader &#x7684;&#x6267;&#x884C;&#x987A;&#x5E8F;&#x9ED8;&#x8BA4;&#x662F;&#x4ECE;&#x53F3;&#x5230;&#x5DE6;&#x6267;&#x884C;&#xFF0C;&#x901A;&#x8FC7; <code>enforce</code> &#x9009;&#x9879;&#x53EF;&#x4EE5;&#x8BA9;&#x5176;&#x4E2D;&#x4E00;&#x4E2A; Loader &#x7684;&#x6267;&#x884C;&#x987A;&#x5E8F;&#x653E;&#x5230;&#x6700;&#x524D;&#x6216;&#x8005;&#x6700;&#x540E;&#x3002;</li>
</ol>
<p>&#x4E0B;&#x9762;&#x6765;&#x901A;&#x8FC7;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#x6765;&#x8BF4;&#x660E;&#x5177;&#x4F53;&#x4F7F;&#x7528;&#x65B9;&#x6CD5;&#xFF1A;</p>
<pre><code class="lang-js"><span class="hljs-built_in">module</span>: {
  rules: [
    {
      <span class="hljs-comment">// &#x547D;&#x4E2D; JavaScript &#x6587;&#x4EF6;</span>
      test: <span class="hljs-regexp">/\.js$/</span>,
      <span class="hljs-comment">// &#x7528; babel-loader &#x8F6C;&#x6362; JavaScript &#x6587;&#x4EF6;</span>
      <span class="hljs-comment">// ?cacheDirectory &#x8868;&#x793A;&#x4F20;&#x7ED9; babel-loader &#x7684;&#x53C2;&#x6570;&#xFF0C;&#x7528;&#x4E8E;&#x7F13;&#x5B58; babel &#x7F16;&#x8BD1;&#x7ED3;&#x679C;&#x52A0;&#x5FEB;&#x91CD;&#x65B0;&#x7F16;&#x8BD1;&#x901F;&#x5EA6;</span>
      use: [<span class="hljs-string">&apos;babel-loader?cacheDirectory&apos;</span>],
      <span class="hljs-comment">// &#x53EA;&#x547D;&#x4E2D;src&#x76EE;&#x5F55;&#x91CC;&#x7684;js&#x6587;&#x4EF6;&#xFF0C;&#x52A0;&#x5FEB; Webpack &#x641C;&#x7D22;&#x901F;&#x5EA6;</span>
      include: path.resolve(__dirname, <span class="hljs-string">&apos;src&apos;</span>)
    },
    {
      <span class="hljs-comment">// &#x547D;&#x4E2D; SCSS &#x6587;&#x4EF6;</span>
      test: <span class="hljs-regexp">/\.scss$/</span>,
      <span class="hljs-comment">// &#x4F7F;&#x7528;&#x4E00;&#x7EC4; Loader &#x53BB;&#x5904;&#x7406; SCSS &#x6587;&#x4EF6;&#x3002;</span>
      <span class="hljs-comment">// &#x5904;&#x7406;&#x987A;&#x5E8F;&#x4E3A;&#x4ECE;&#x540E;&#x5230;&#x524D;&#xFF0C;&#x5373;&#x5148;&#x4EA4;&#x7ED9; sass-loader &#x5904;&#x7406;&#xFF0C;&#x518D;&#x628A;&#x7ED3;&#x679C;&#x4EA4;&#x7ED9; css-loader &#x6700;&#x540E;&#x518D;&#x7ED9; style-loader&#x3002;</span>
      use: [<span class="hljs-string">&apos;style-loader&apos;</span>, <span class="hljs-string">&apos;css-loader&apos;</span>, <span class="hljs-string">&apos;sass-loader&apos;</span>],
      <span class="hljs-comment">// &#x6392;&#x9664; node_modules &#x76EE;&#x5F55;&#x4E0B;&#x7684;&#x6587;&#x4EF6;</span>
      exclude: path.resolve(__dirname, <span class="hljs-string">&apos;node_modules&apos;</span>),
    },
    {
      <span class="hljs-comment">// &#x5BF9;&#x975E;&#x6587;&#x672C;&#x6587;&#x4EF6;&#x91C7;&#x7528; file-loader &#x52A0;&#x8F7D;</span>
      test: <span class="hljs-regexp">/\.(gif|png|jpe?g|eot|woff|ttf|svg|pdf)$/</span>,
      use: [<span class="hljs-string">&apos;file-loader&apos;</span>],
    },
  ]
}
</code></pre>
<p>&#x5728; Loader &#x9700;&#x8981;&#x4F20;&#x5165;&#x5F88;&#x591A;&#x53C2;&#x6570;&#x65F6;&#xFF0C;&#x4F60;&#x8FD8;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x4E00;&#x4E2A; Object &#x6765;&#x63CF;&#x8FF0;&#xFF0C;&#x4F8B;&#x5982;&#x5728;&#x4E0A;&#x9762;&#x7684; babel-loader &#x914D;&#x7F6E;&#x4E2D;&#x6709;&#x5982;&#x4E0B;&#x4EE3;&#x7801;&#xFF1A;</p>
<pre><code class="lang-js">use: [
  {
    loader:<span class="hljs-string">&apos;babel-loader&apos;</span>,
    options:{
      cacheDirectory:<span class="hljs-literal">true</span>,
    },
    <span class="hljs-comment">// enforce:&apos;post&apos; &#x7684;&#x542B;&#x4E49;&#x662F;&#x628A;&#x8BE5; Loader &#x7684;&#x6267;&#x884C;&#x987A;&#x5E8F;&#x653E;&#x5230;&#x6700;&#x540E;</span>
    <span class="hljs-comment">// enforce &#x7684;&#x503C;&#x8FD8;&#x53EF;&#x4EE5;&#x662F; pre&#xFF0C;&#x4EE3;&#x8868;&#x628A; Loader &#x7684;&#x6267;&#x884C;&#x987A;&#x5E8F;&#x653E;&#x5230;&#x6700;&#x524D;&#x9762;</span>
    enforce:<span class="hljs-string">&apos;post&apos;</span>
  },
  <span class="hljs-comment">// &#x7701;&#x7565;&#x5176;&#x5B83; Loader</span>
]
</code></pre>
<p>&#x4E0A;&#x9762;&#x7684;&#x4F8B;&#x5B50;&#x4E2D; <code>test include exclude</code> &#x8FD9;&#x4E09;&#x4E2A;&#x547D;&#x4E2D;&#x6587;&#x4EF6;&#x7684;&#x914D;&#x7F6E;&#x9879;&#x53EA;&#x4F20;&#x5165;&#x4E86;&#x4E00;&#x4E2A;&#x5B57;&#x7B26;&#x4E32;&#x6216;&#x6B63;&#x5219;&#xFF0C;&#x5176;&#x5B9E;&#x5B83;&#x4EEC;&#x8FD8;&#x90FD;&#x652F;&#x6301;&#x6570;&#x7EC4;&#x7C7B;&#x578B;&#xFF0C;&#x4F7F;&#x7528;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-js">{
  test:[
    <span class="hljs-regexp">/\.jsx?$/</span>,
    <span class="hljs-regexp">/\.tsx?$/</span>
  ],
  include:[
    path.resolve(__dirname, <span class="hljs-string">&apos;src&apos;</span>),
    path.resolve(__dirname, <span class="hljs-string">&apos;tests&apos;</span>),
  ],
  exclude:[
    path.resolve(__dirname, <span class="hljs-string">&apos;node_modules&apos;</span>),
    path.resolve(__dirname, <span class="hljs-string">&apos;bower_modules&apos;</span>),
  ]
}
</code></pre>
<p>&#x6570;&#x7EC4;&#x91CC;&#x7684;&#x6BCF;&#x9879;&#x4E4B;&#x95F4;&#x662F;<strong>&#x6216;</strong>&#x7684;&#x5173;&#x7CFB;&#xFF0C;&#x5373;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;&#x7B26;&#x5408;&#x6570;&#x7EC4;&#x4E2D;&#x7684;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;&#x6761;&#x4EF6;&#x5C31;&#x4F1A;&#x88AB;&#x547D;&#x4E2D;&#x3002;</p>
<h2 id="noparse">noParse</h2>
<p><code>noParse</code> &#x914D;&#x7F6E;&#x9879;&#x53EF;&#x4EE5;&#x8BA9; Webpack &#x5FFD;&#x7565;&#x5BF9;&#x90E8;&#x5206;&#x6CA1;&#x91C7;&#x7528;&#x6A21;&#x5757;&#x5316;&#x7684;&#x6587;&#x4EF6;&#x7684;&#x9012;&#x5F52;&#x89E3;&#x6790;&#x548C;&#x5904;&#x7406;&#xFF0C;&#x8FD9;&#x6837;&#x505A;&#x7684;&#x597D;&#x5904;&#x662F;&#x80FD;&#x63D0;&#x9AD8;&#x6784;&#x5EFA;&#x6027;&#x80FD;&#x3002;
&#x539F;&#x56E0;&#x662F;&#x4E00;&#x4E9B;&#x5E93;&#x4F8B;&#x5982; jQuery &#x3001;ChartJS &#x5B83;&#x4EEC;&#x5E9E;&#x5927;&#x53C8;&#x6CA1;&#x6709;&#x91C7;&#x7528;&#x6A21;&#x5757;&#x5316;&#x6807;&#x51C6;&#xFF0C;&#x8BA9; Webpack &#x53BB;&#x89E3;&#x6790;&#x8FD9;&#x4E9B;&#x6587;&#x4EF6;&#x8017;&#x65F6;&#x53C8;&#x6CA1;&#x6709;&#x610F;&#x4E49;&#x3002;</p>
<p><code>noParse</code> &#x662F;&#x53EF;&#x9009;&#x914D;&#x7F6E;&#x9879;&#xFF0C;&#x7C7B;&#x578B;&#x9700;&#x8981;&#x662F; <code>RegExp</code>&#x3001;<code>[RegExp]</code>&#x3001;<code>function</code> &#x5176;&#x4E2D;&#x4E00;&#x4E2A;&#x3002;</p>
<p>&#x4F8B;&#x5982;&#x60F3;&#x8981;&#x5FFD;&#x7565;&#x6389; jQuery &#x3001;ChartJS&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x5982;&#x4E0B;&#x4EE3;&#x7801;&#xFF1A;</p>
<pre><code class="lang-js"><span class="hljs-comment">// &#x4F7F;&#x7528;&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;</span>
noParse: <span class="hljs-regexp">/jquery|chartjs/</span>

<span class="hljs-comment">// &#x4F7F;&#x7528;&#x51FD;&#x6570;&#xFF0C;&#x4ECE; Webpack 3.0.0 &#x5F00;&#x59CB;&#x652F;&#x6301;</span>
noParse: (content)=&gt; {
  <span class="hljs-comment">// content &#x4EE3;&#x8868;&#x4E00;&#x4E2A;&#x6A21;&#x5757;&#x7684;&#x6587;&#x4EF6;&#x8DEF;&#x5F84;</span>
  <span class="hljs-comment">// &#x8FD4;&#x56DE; true or false</span>
  <span class="hljs-keyword">return</span> <span class="hljs-regexp">/jquery|chartjs/</span>.test(content);
}
</code></pre>
<blockquote>
<p>&#x6CE8;&#x610F;&#x88AB;&#x5FFD;&#x7565;&#x6389;&#x7684;&#x6587;&#x4EF6;&#x91CC;&#x4E0D;&#x5E94;&#x8BE5;&#x5305;&#x542B; <code>import</code> &#x3001; <code>require</code> &#x3001; <code>define</code> &#x7B49;&#x6A21;&#x5757;&#x5316;&#x8BED;&#x53E5;&#xFF0C;&#x4E0D;&#x7136;&#x4F1A;&#x5BFC;&#x81F4;&#x6784;&#x5EFA;&#x51FA;&#x7684;&#x4EE3;&#x7801;&#x4E2D;&#x5305;&#x542B;&#x65E0;&#x6CD5;&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x73AF;&#x5883;&#x4E0B;&#x6267;&#x884C;&#x7684;&#x6A21;&#x5757;&#x5316;&#x8BED;&#x53E5;&#x3002;</p>
</blockquote>
<h2 id="parser">parser</h2>
<p>&#x56E0;&#x4E3A; Webpack &#x662F;&#x4EE5;&#x6A21;&#x5757;&#x5316;&#x7684; JavaScript &#x6587;&#x4EF6;&#x4E3A;&#x5165;&#x53E3;&#xFF0C;&#x6240;&#x4EE5;&#x5185;&#x7F6E;&#x4E86;&#x5BF9;&#x6A21;&#x5757;&#x5316; JavaScript &#x7684;&#x89E3;&#x6790;&#x529F;&#x80FD;&#xFF0C;&#x652F;&#x6301; AMD&#x3001;CommonJS&#x3001;SystemJS&#x3001;ES6&#x3002;
<code>parser</code> &#x5C5E;&#x6027;&#x53EF;&#x4EE5;&#x66F4;&#x7EC6;&#x7C92;&#x5EA6;&#x7684;&#x914D;&#x7F6E;&#x54EA;&#x4E9B;&#x6A21;&#x5757;&#x8BED;&#x6CD5;&#x8981;&#x89E3;&#x6790;&#x54EA;&#x4E9B;&#x4E0D;&#x89E3;&#x6790;&#xFF0C;&#x548C; <code>noParse</code> &#x914D;&#x7F6E;&#x9879;&#x7684;&#x533A;&#x522B;&#x5728;&#x4E8E; <code>parser</code> &#x53EF;&#x4EE5;&#x7CBE;&#x786E;&#x5230;&#x8BED;&#x6CD5;&#x5C42;&#x9762;&#xFF0C;
&#x800C; <code>noParse</code> &#x53EA;&#x80FD;&#x63A7;&#x5236;&#x54EA;&#x4E9B;&#x6587;&#x4EF6;&#x4E0D;&#x88AB;&#x89E3;&#x6790;&#x3002;
<code>parser</code> &#x4F7F;&#x7528;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-js"><span class="hljs-built_in">module</span>: {
  rules: [
    {
      test: <span class="hljs-regexp">/\.js$/</span>,
      use: [<span class="hljs-string">&apos;babel-loader&apos;</span>],
      parser: {
      amd: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; AMD</span>
      commonjs: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; CommonJS</span>
      system: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; SystemJS</span>
      harmony: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; ES6 import/export</span>
      requireInclude: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; require.include</span>
      requireEnsure: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; require.ensure</span>
      requireContext: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; require.context</span>
      browserify: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; browserify</span>
      requireJs: <span class="hljs-literal">false</span>, <span class="hljs-comment">// &#x7981;&#x7528; requirejs</span>
      }
    },
  ]
}
</code></pre>

                                
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