files/pt-br/web/http/headers/sourcemap/index.html


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---
title: SourceMap
slug: Web/HTTP/Headers/SourceMap
translation_of: Web/HTTP/Headers/SourceMap
---
<div> {{HTTPSidebar}}</div>

<p>The <strong><code>SourceMap</code></strong> <a href="/en-US/docs/Web/HTTP">HTTP</a> response header links generated code to a <a href="/en-US/docs/Tools/Debugger/How_to/Use_a_source_map">source map</a>, enabling the browser to reconstruct the original source and present the reconstructed original in the debugger.</p>

<table class="properties">
 <tbody>
  <tr>
   <th scope="row">Header type</th>
   <td>{{Glossary("Response header")}}</td>
  </tr>
  <tr>
   <th scope="row">{{Glossary("Forbidden header name")}}</th>
   <td>no</td>
  </tr>
 </tbody>
</table>

<h2 id="Sintaxe">Sintaxe</h2>

<pre class="syntaxbox">SourceMap: &lt;url&gt;
X-SourceMap: &lt;url&gt; (deprecated)
</pre>

<h3 id="Diretivas">Diretivas</h3>

<dl>
 <dt><code>&lt;url&gt;</code></dt>
 <dd>A relative (to the request URL) or absolute URL pointing to a source map file.</dd>
</dl>

<h2 id="Exemplos">Exemplos</h2>

<pre>SourceMap: /path/to/file.js.map</pre>

<h2 id="Especificações">Especificações</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Especificação</th>
   <th scope="col">Titulo</th>
  </tr>
  <tr>
   <td><a href="https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k">Draft document</a></td>
   <td>Source Map Revision 3 Proposal</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Compatibilidade com navegadores</h2>

<p>{{Compat("http.headers.SourceMap")}}</p>

<h2 id="Veja_Também">Veja Também</h2>

<ul>
 <li><a href="/en-US/docs/Tools/Debugger/How_to/Use_a_source_map">Firefox Developer Tools: using a source map</a></li>
</ul>