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feat: add homebrew.md sheatsheet. a540fb7fd9

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jaywcjlove
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@ -40,22 +40,23 @@
</div></div><div class="h2wrap-body"><div class="wrap row-span-2"><div class="wrap-header h3wrap"><h3 id="hello-world"><a aria-hidden="true" tabindex="-1" href="#hello-world"><span class="icon icon-link"></span></a>Hello World</h3><div class="wrap-body">
<!--rehype:wrap-class=row-span-2-->
<ul class="style-timeline">
<li>安装依赖
<li>创建项目，添加 <code>package.json</code> 配置
<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ <span class="token function">mkdir</span> myapp <span class="token comment"># 创建目录</span>
</span><span class="code-line">$ <span class="token builtin class-name">cd</span> myapp <span class="token comment"># 进入目录</span>
</span><span class="code-line">$ <span class="token function">npm</span> init <span class="token parameter variable">-y</span> <span class="token comment"># 初始化一个配置</span>
</span><span class="code-line">$ <span class="token function">npm</span> <span class="token function">install</span> express <span class="token comment"># 安装依赖</span>
</span></code></pre>
</li>
<li>安装依赖
<pre class="language-bash"><code class="language-bash code-highlight"><span class="code-line">$ <span class="token function">npm</span> <span class="token function">install</span> express <span class="token comment"># 安装依赖</span>
</span></code></pre>
</li>
<li>入口文件 <code>index.js</code> 添加代码：
<pre class="language-js"><code class="language-js code-highlight"><span class="code-line"><span class="token keyword">const</span> express <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'express'</span><span class="token punctuation">)</span>
</span><span class="code-line"><span class="token keyword">const</span> app <span class="token operator">=</span> <span class="token function">express</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
</span><span class="code-line"><span class="token keyword">const</span> port <span class="token operator">=</span> <span class="token number">3000</span>
</span><span class="code-line">
</span><span class="code-line">app<span class="token punctuation">.</span><span class="token method function property-access">get</span><span class="token punctuation">(</span><span class="token string">'/'</span><span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token parameter">req<span class="token punctuation">,</span> res</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token punctuation">{</span>
</span><span class="code-line"> res<span class="token punctuation">.</span><span class="token method function property-access">send</span><span class="token punctuation">(</span><span class="token string">'Hello World!'</span><span class="token punctuation">)</span>
</span><span class="code-line"><span class="token punctuation">}</span><span class="token punctuation">)</span>
</span><span class="code-line">
</span><span class="code-line">app<span class="token punctuation">.</span><span class="token method function property-access">listen</span><span class="token punctuation">(</span>port<span class="token punctuation">,</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token punctuation">{</span>
</span><span class="code-line"> <span class="token console class-name">console</span><span class="token punctuation">.</span><span class="token method function property-access">log</span><span class="token punctuation">(</span><span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">监听端口</span><span class="token interpolation"><span class="token interpolation-punctuation punctuation">${</span>port<span class="token interpolation-punctuation punctuation">}</span></span><span class="token string">示例应用</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">)</span>
</span><span class="code-line"><span class="token punctuation">}</span><span class="token punctuation">)</span>