<p>[![github actions][actions-image]][actions-url]</p>
<p>[![coverage][codecov-image]][codecov-url]</p>
<p>[![dependency status][5]][6]</p>
<p>[![dev dependency status][7]][8]</p>
<p>[![License][license-image]][license-url]</p>
<p>[![Downloads][downloads-image]][downloads-url]</p>

<p>[![npm badge][11]][1]</p>

<p>Is this specifier a node.js core module? Optionally provide a node version to check; defaults to the current node version.</p>

<h3>Example</h3>

<pre><code>
var isCore = require('is-core-module');
var assert = require('assert');
assert(isCore('fs'));
assert(!isCore('butts'));
</code></pre>

<h3>Tests</h3>
<p>Clone the repo, <code>npm install</code>, and run <code>npm test</code></p>

<p>[1]: https://npmjs.org/package/is-core-module</p>
<p>[2]: https://versionbadg.es/inspect-js/is-core-module.svg</p>
<p>[5]: https://david-dm.org/inspect-js/is-core-module.svg</p>
<p>[6]: https://david-dm.org/inspect-js/is-core-module</p>
<p>[7]: https://david-dm.org/inspect-js/is-core-module/dev-status.svg</p>
<p>[8]: https://david-dm.org/inspect-js/is-core-module#info=devDependencies</p>
<p>[11]: https://nodei.co/npm/is-core-module.png?downloads=true&stars=true</p>
<p>[license-image]: https://img.shields.io/npm/l/is-core-module.svg</p>
<p>[license-url]: LICENSE</p>
<p>[downloads-image]: https://img.shields.io/npm/dm/is-core-module.svg</p>
<p>[downloads-url]: https://npm-stat.com/charts.html?package=is-core-module</p>
<p>[codecov-image]: https://codecov.io/gh/inspect-js/is-core-module/branch/main/graphs/badge.svg</p>
<p>[codecov-url]: https://app.codecov.io/gh/inspect-js/is-core-module/</p>
<p>[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-core-module</p>
<p>[actions-url]: https://github.com/inspect-js/is-core-module/actions</p>

<hr>

<p>本文由模极社发布</p>

<h4> 内容概览</h4>

<table>
<tr><td>分类</td><td>要点</td><td>建议/说明</td></tr>
<tr><td>核心概念</td><td>is-core-module <sup></td><td>详见正文</td></tr>
<tr><td>操作步骤</td><td>is-core-module <sup></td><td>详见正文</td></tr>
<tr><td>注意事项</td><td>is-core-module <sup></td><td>详见正文</td></tr>
<tr><td>适用场景</td><td>is-core-module <sup></td><td>详见正文</td></tr>
<tr><td>常见问题</td><td>is-core-module <sup></td><td>详见正文</td></tr>
</table>

<hr>
<h4> 你可能还感兴趣</h4>
<ul>
<li><a href="/t/3465/3465">聚和国际机械模具五金城</a></li>
<li><a href="/t/3787/3787">KOEI TOOL (THAILAND) CO., LTD. - 泰国光荣模具总部</a></li>
<li><a href="/t/2848/2848">5CrMnMo模具钢</a></li>
</ul>

<hr>
<p><strong>相关推荐：</strong></p>
<ul>
<li><a href="https://www.mj7.cn/t/topic">注塑产品报价不会算？完整成本计算模板来了（附公式+案例）</a></li>
<li><a href="https://www.mj7.cn/t/pp">PP塑料：性能参数与注塑成型指南</a></li>
<li><a href="https://www.mj7.cn/t/pa">PA塑料：性能参数与注塑成型指南</a></li>
</ul>

<hr>
<p>哪个方案更实用？欢迎投票讨论。</p>