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| npm command-line interface
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| <header class="title">
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| <h1 id="----npm-cache----11130">
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| <span>npm-cache</span>
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| <span class="version">@11.13.0</span>
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| </h1>
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| <span class="description">Manipulates packages cache</span>
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| </header>
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| <section id="table_of_contents">
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| <h2 id="table-of-contents">Table of contents</h2>
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| <div id="_table_of_contents"><ul><li><a href="#synopsis">Synopsis</a></li><li><a href="#description">Description</a></li><ul><li><a href="#npm-cache"><code>npm cache</code></a></li><li><a href="#npm-cache-npx"><code>npm cache npx</code></a></li></ul><li><a href="#details">Details</a></li><li><a href="#a-note-about-the-caches-design">A note about the cache's design</a></li><li><a href="#configuration">Configuration</a></li><ul><li><a href="#cache"><code>cache</code></a></li></ul><li><a href="#see-also">See Also</a></li></ul></div>
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| </section>
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| <div id="_content"><h3 id="synopsis">Synopsis</h3>
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| <pre><code class="language-bash">npm cache add <package-spec>
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| npm cache clean [<key>]
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| npm cache ls [<name>@<version>]
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| npm cache verify
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| npm cache npx ls
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| npm cache npx rm [<key>...]
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| npm cache npx info <key>...
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| </code></pre>
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| <p>Note: This command is unaware of workspaces.</p>
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| <h3 id="description">Description</h3>
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| <p>Used to add, list, or clean the <code>npm cache</code> folder.
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| Also used to view info about entries in the <code>npm exec</code> (aka <code>npx</code>) cache folder.</p>
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| <h4 id="npm-cache"><code>npm cache</code></h4>
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| <ul>
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| <li>
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| <p>add:
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| Add the specified packages to the local cache.
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| This command is primarily intended to be used internally by npm, but it can provide a way to add data to the local installation cache explicitly.</p>
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| </li>
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| <li>
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| <p>clean:
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| Delete a single entry or all entries out of the cache folder.
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| Note that this is typically unnecessary, as npm's cache is self-healing and resistant to data corruption issues.</p>
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| </li>
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| <li>
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| <p>ls:
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| List given entries or all entries in the local cache.</p>
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| </li>
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| <li>
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| <p>verify:
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| Verify the contents of the cache folder, garbage collecting any unneeded data, and verifying the integrity of the cache index and all cached data.</p>
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| </li>
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| </ul>
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| <h4 id="npm-cache-npx"><code>npm cache npx</code></h4>
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| <ul>
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| <li>
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| <p>ls:
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| List all entries in the npx cache.</p>
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| </li>
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| <li>
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| <p>rm:
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| Remove given entries or all entries from the npx cache.</p>
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| </li>
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| <li>
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| <p>info:
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| Get detailed information about given entries in the npx cache.</p>
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| </li>
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| </ul>
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| <h3 id="details">Details</h3>
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| <p>npm stores cache data in an opaque directory within the configured <code>cache</code>, named <code>_cacache</code>.
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| This directory is a <a href="http://npm.im/cacache"><code>cacache</code></a>-based content-addressable cache that stores all http request data as well as other package-related data.
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| This directory is primarily accessed through <code>pacote</code>, the library responsible for all package fetching as of npm@5.</p>
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| <p>All data that passes through the cache is fully verified for integrity on both insertion and extraction.
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| Cache corruption will either trigger an error, or signal to <code>pacote</code> that the data must be refetched, which it will do automatically.
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| For this reason, it should never be necessary to clear the cache for any reason other than reclaiming disk space, thus why <code>clean</code> now requires <code>--force</code> to run.</p>
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| <p>There is currently no method exposed through npm to inspect or directly manage the contents of this cache.
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| In order to access it, <code>cacache</code> must be used directly.</p>
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| <p>npm will not remove data by itself: the cache will grow as new packages are installed.</p>
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| <h3 id="a-note-about-the-caches-design">A note about the cache's design</h3>
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| <p>The npm cache is strictly a cache: it should not be relied upon as a persistent and reliable data store for package data.
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| npm makes no guarantee that a previously-cached piece of data will be available later, and will automatically delete corrupted contents.
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| The primary guarantee that the cache makes is that, if it does return data, that data will be exactly the data that was inserted.</p>
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| <p>To run an offline verification of existing cache contents, use <code>npm cache verify</code>.</p>
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| <h3 id="configuration">Configuration</h3>
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| <h4 id="cache"><code>cache</code></h4>
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| <ul>
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| <li>Default: Windows: <code>%LocalAppData%\npm-cache</code>, Posix: <code>~/.npm</code></li>
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| <li>Type: Path</li>
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| </ul>
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| <p>The location of npm's cache directory.</p>
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| <h3 id="see-also">See Also</h3>
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| <ul>
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| <li><a href="../using-npm/package-spec.html">package spec</a></li>
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| <li><a href="../configuring-npm/folders.html">npm folders</a></li>
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| <li><a href="../commands/npm-config.html">npm config</a></li>
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| <li><a href="../configuring-npm/npmrc.html">npmrc</a></li>
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| <li><a href="../commands/npm-install.html">npm install</a></li>
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| <li><a href="../commands/npm-publish.html">npm publish</a></li>
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| <li><a href="../commands/npm-pack.html">npm pack</a></li>
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| <li><a href="../commands/npm-exec.html">npm exec</a></li>
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| <li><a href="https://npm.im/cacache">https://npm.im/cacache</a></li>
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| <li><a href="https://npm.im/pacote">https://npm.im/pacote</a></li>
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| <li><a href="https://npm.im/@npmcli/arborist">https://npm.im/@npmcli/arborist</a></li>
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| <li><a href="https://npm.im/make-fetch-happen">https://npm.im/make-fetch-happen</a></li>
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| </ul></div>
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