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npm-ls.html
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<html><head>
<title>npm-ls</title>
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<div class="title">
npm command-line interface
</div>
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</div>
<section id="content">
<header class="title">
<h1 id="npm-ls">npm-ls</h1>
<span class="description">List installed packages</span>
</header>
<section id="table_of_contents">
<h2 id="table-of-contents">Table of contents</h2>
<div id="_table_of_contents"><ul><li><a href="#synopsis">Synopsis</a></li><li><a href="#description">Description</a></li><li><a href="#note-design-changes-pending">Note: Design Changes Pending</a></li><li><a href="#configuration">Configuration</a></li><ul><li><a href="#all">all</a></li><li><a href="#json">json</a></li><li><a href="#long">long</a></li><li><a href="#parseable">parseable</a></li><li><a href="#global">global</a></li><li><a href="#depth">depth</a></li><li><a href="#prod--production">prod / production</a></li><li><a href="#dev--development">dev / development</a></li><li><a href="#only">only</a></li><li><a href="#link">link</a></li><li><a href="#unicode">unicode</a></li></ul><li><a href="#see-also">See Also</a></li></ul></div>
</section>
<div id="_content"><h3 id="synopsis">Synopsis</h3>
<pre lang="bash"><code>npm ls [[<@scope>/]<pkg> ...]
aliases: list, la, ll
</code></pre>
<h3 id="description">Description</h3>
<p>This command will print to stdout all the versions of packages that are
installed, as well as their dependencies when <code>--all</code> is specified, in a
tree structure.</p>
<p>Note: to get a “bottoms up” view of why a given package is included in the
tree at all, use <a href="../commands/npm-explain.html"><code>npm explain</code></a>.</p>
<p>Positional arguments are <code>name@version-range</code> identifiers, which will limit
the results to only the paths to the packages named. Note that nested
packages will <em>also</em> show the paths to the specified packages. For
example, running <code>npm ls promzard</code> in npm’s source tree will show:</p>
<pre lang="bash"><code>npm@7.10.0 /path/to/npm
└─┬ init-package-json@0.0.4
└── promzard@0.1.5
</code></pre>
<p>It will print out extraneous, missing, and invalid packages.</p>
<p>If a project specifies git urls for dependencies these are shown
in parentheses after the name@version to make it easier for users to
recognize potential forks of a project.</p>
<p>The tree shown is the logical dependency tree, based on package
dependencies, not the physical layout of your <code>node_modules</code> folder.</p>
<p>When run as <code>ll</code> or <code>la</code>, it shows extended information by default.</p>
<h3 id="note-design-changes-pending">Note: Design Changes Pending</h3>
<p>The <code>npm ls</code> command’s output and behavior made a <em>ton</em> of sense when npm
created a <code>node_modules</code> folder that naively nested every dependency. In
such a case, the logical dependency graph and physical tree of packages on
disk would be roughly identical.</p>
<p>With the advent of automatic install-time deduplication of dependencies in
npm v3, the <code>ls</code> output was modified to display the logical dependency
graph as a tree structure, since this was more useful to most users.
However, without using <code>npm ls -l</code>, it became impossible show <em>where</em> a
package was actually installed much of the time!</p>
<p>With the advent of automatic installation of <code>peerDependencies</code> in npm v7,
this gets even more curious, as <code>peerDependencies</code> are logically
“underneath” their dependents in the dependency graph, but are always
physically at or above their location on disk.</p>
<p>Also, in the years since npm got an <code>ls</code> command (in version 0.0.2!),
dependency graphs have gotten much larger as a general rule. Therefore, in
order to avoid dumping an excessive amount of content to the terminal, <code>npm ls</code> now only shows the <em>top</em> level dependencies, unless <code>--all</code> is
provided.</p>
<p>A thorough re-examination of the use cases, intention, behavior, and output
of this command, is currently underway. Expect significant changes to at
least the default human-readable <code>npm ls</code> output in npm v8.</p>
<h3 id="configuration">Configuration</h3>
<h4 id="all">all</h4>
<ul>
<li>Default: <code>false</code></li>
<li>Type: Boolean</li>
</ul>
<p>When running <code>npm outdated</code> and <code>npm ls</code>, setting <code>--all</code> will show all
outdated or installed packages, rather than only those directly depended
upon by the current project.</p>
<h4 id="json">json</h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Show information in JSON format.</p>
<h4 id="long">long</h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Show extended information.</p>
<h4 id="parseable">parseable</h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Show parseable output instead of tree view.</p>
<h4 id="global">global</h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>List packages in the global install prefix instead of in the current
project.</p>
<h4 id="depth">depth</h4>
<ul>
<li>Type: Int</li>
</ul>
<p>Max display depth of the dependency tree.</p>
<h4 id="prod--production">prod / production</h4>
<ul>
<li>Type: Boolean</li>
<li>Default: false</li>
</ul>
<p>Display only the dependency tree for packages in <code>dependencies</code>.</p>
<h4 id="dev--development">dev / development</h4>
<ul>
<li>Type: Boolean</li>
<li>Default: false</li>
</ul>
<p>Display only the dependency tree for packages in <code>devDependencies</code>.</p>
<h4 id="only">only</h4>
<ul>
<li>Type: String</li>
</ul>
<p>When “dev” or “development”, is an alias to <code>dev</code>.</p>
<p>When “prod” or “production”, is an alias to <code>production</code>.</p>
<h4 id="link">link</h4>
<ul>
<li>Type: Boolean</li>
<li>Default: false</li>
</ul>
<p>Display only dependencies which are linked</p>
<h4 id="unicode">unicode</h4>
<ul>
<li>Type: Boolean</li>
<li>Default: true</li>
</ul>
<p>Whether to represent the tree structure using unicode characters.
Set it to false in order to use all-ansi output.</p>
<h3 id="see-also">See Also</h3>
<ul>
<li><a href="../commands/npm-explain.html">npm explain</a></li>
<li><a href="../commands/npm-config.html">npm config</a></li>
<li><a href="../configuring-npm/npmrc.html">npmrc</a></li>
<li><a href="../configuring-npm/folders.html">npm folders</a></li>
<li><a href="../commands/npm-explain.html">npm explain</a></li>
<li><a href="../commands/npm-install.html">npm install</a></li>
<li><a href="../commands/npm-link.html">npm link</a></li>
<li><a href="../commands/npm-prune.html">npm prune</a></li>
<li><a href="../commands/npm-outdated.html">npm outdated</a></li>
<li><a href="../commands/npm-update.html">npm update</a></li>
</ul>
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