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npm command-line interface
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<section id="content">
<header class="title">
<h1 id="config">config</h1>
<span class="description">More than you probably want to know about npm configuration</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="#description">Description</a></li><ul><li><a href="#command-line-flags">Command Line Flags</a></li><li><a href="#environment-variables">Environment Variables</a></li><li><a href="#npmrc-files">npmrc Files</a></li><li><a href="#default-configs">Default Configs</a></li></ul><li><a href="#shorthands-and-other-cli-niceties">Shorthands and Other CLI Niceties</a></li><li><a href="#config-settings">Config Settings</a></li><ul><li><a href="#auth"><code>_auth</code></a></li><li><a href="#access"><code>access</code></a></li><li><a href="#all"><code>all</code></a></li><li><a href="#allow-same-version"><code>allow-same-version</code></a></li><li><a href="#audit"><code>audit</code></a></li><li><a href="#audit-level"><code>audit-level</code></a></li><li><a href="#before"><code>before</code></a></li><li><a href="#bin-links"><code>bin-links</code></a></li><li><a href="#browser"><code>browser</code></a></li><li><a href="#ca"><code>ca</code></a></li><li><a href="#cache"><code>cache</code></a></li><li><a href="#cafile"><code>cafile</code></a></li><li><a href="#call"><code>call</code></a></li><li><a href="#cert"><code>cert</code></a></li><li><a href="#ci-name"><code>ci-name</code></a></li><li><a href="#cidr"><code>cidr</code></a></li><li><a href="#color"><code>color</code></a></li><li><a href="#commit-hooks"><code>commit-hooks</code></a></li><li><a href="#depth"><code>depth</code></a></li><li><a href="#description2"><code>description</code></a></li><li><a href="#diff"><code>diff</code></a></li><li><a href="#diff-dst-prefix"><code>diff-dst-prefix</code></a></li><li><a href="#diff-ignore-all-space"><code>diff-ignore-all-space</code></a></li><li><a href="#diff-name-only"><code>diff-name-only</code></a></li><li><a href="#diff-no-prefix"><code>diff-no-prefix</code></a></li><li><a href="#diff-src-prefix"><code>diff-src-prefix</code></a></li><li><a href="#diff-text"><code>diff-text</code></a></li><li><a href="#diff-unified"><code>diff-unified</code></a></li><li><a href="#dry-run"><code>dry-run</code></a></li><li><a href="#editor"><code>editor</code></a></li><li><a href="#engine-strict"><code>engine-strict</code></a></li><li><a href="#fetch-retries"><code>fetch-retries</code></a></li><li><a href="#fetch-retry-factor"><code>fetch-retry-factor</code></a></li><li><a href="#fetch-retry-maxtimeout"><code>fetch-retry-maxtimeout</code></a></li><li><a href="#fetch-retry-mintimeout"><code>fetch-retry-mintimeout</code></a></li><li><a href="#fetch-timeout"><code>fetch-timeout</code></a></li><li><a href="#force"><code>force</code></a></li><li><a href="#foreground-scripts"><code>foreground-scripts</code></a></li><li><a href="#format-package-lock"><code>format-package-lock</code></a></li><li><a href="#fund"><code>fund</code></a></li><li><a href="#git"><code>git</code></a></li><li><a href="#git-tag-version"><code>git-tag-version</code></a></li><li><a href="#global-style"><code>global-style</code></a></li><li><a href="#globalconfig"><code>globalconfig</code></a></li><li><a href="#heading"><code>heading</code></a></li><li><a href="#https-proxy"><code>https-proxy</code></a></li><li><a href="#if-present"><code>if-present</code></a></li><li><a href="#ignore-scripts"><code>ignore-scripts</code></a></li><li><a href="#include"><code>include</code></a></li><li><a href="#include-staged"><code>include-staged</code></a></li><li><a href="#include-workspace-root"><code>include-workspace-root</code></a></li><li><a href="#init-author-email"><code>init-author-email</code></a></li><li><a href="#init-author-name"><code>init-author-name</code></a></li><li><a href="#init-author-url"><code>init-author-url</code></a></li><li><a href="#init-license"><code>init-license</code></a></li><li><a href="#init-module"><code>init-module</code></a></li><li><a href="#init-version"><code>init-version</code></a></li><li><a href="#install-links"><code>install-links</code></a></li><li><a href="#json"><code>json</code></a></li><li><a href="#key"><code>key</code></a></li><li><a href="#legacy-bundling"><code>legacy-bundling</code></a></li><li><a href="#legacy-peer-deps"><code>legacy-peer-deps</code></a></li><li><a href="#link"><code>link</code></a></li><li><a href="#local-address"><code>local-address</code></a></li><li><a href="#location"><code>location</code></a></li><li><a href="#lockfile-version"><code>lockfile-version</code></a></li><li><a href="#loglevel"><code>loglevel</code></a></li><li><a href="#logs-dir"><code>logs-dir</code></a></li><li><a href="#logs-max"><code>logs-max</code></a></li><li><a href="#long"><code>long</code></a></li><li><a href="#maxsockets"><code>maxsockets</code></a></li><li><a href="#message"><code>message</code></a></li><li><a href="#node-options"><code>node-options</code></a></li><li><a href="#node-version"><code>node-version</code></a></li><li><a href="#noproxy"><code>noproxy</code></a></li><li><a href="#npm-version"><code>npm-version</code></a></li><li><a href="#offline"><code>offline</code></a></li><li><a href="#omit"><code>omit</code></a></li><li><a href="#omit-lockfile-registry-resolved"><code>omit-lockfile-registry-resolved</code></a></li><li><a href="#otp"><code>otp</code></a></li><li><a href="#pack-destination"><code>pack-destination</code></a></li><li><a href="#package"><code>package</code></a></li><li><a href="#package-lock"><code>package-lock</code></a></li><li><a href="#package-lock-only"><code>package-lock-only</code></a></li><li><a href="#parseable"><code>parseable</code></a></li><li><a href="#prefer-offline"><code>prefer-offline</code></a></li><li><a href="#prefer-online"><code>prefer-online</code></a></li><li><a href="#prefix"><code>prefix</code></a></li><li><a href="#preid"><code>preid</code></a></li><li><a href="#progress"><code>progress</code></a></li><li><a href="#proxy"><code>proxy</code></a></li><li><a href="#read-only"><code>read-only</code></a></li><li><a href="#rebuild-bundle"><code>rebuild-bundle</code></a></li><li><a href="#registry"><code>registry</code></a></li><li><a href="#save"><code>save</code></a></li><li><a href="#save-bundle"><code>save-bundle</code></a></li><li><a href="#save-dev"><code>save-dev</code></a></li><li><a href="#save-exact"><code>save-exact</code></a></li><li><a href="#save-optional"><code>save-optional</code></a></li><li><a href="#save-peer"><code>save-peer</code></a></li><li><a href="#save-prefix"><code>save-prefix</code></a></li><li><a href="#save-prod"><code>save-prod</code></a></li><li><a href="#scope"><code>scope</code></a></li><li><a href="#script-shell"><code>script-shell</code></a></li><li><a href="#searchexclude"><code>searchexclude</code></a></li><li><a href="#searchlimit"><code>searchlimit</code></a></li><li><a href="#searchopts"><code>searchopts</code></a></li><li><a href="#searchstaleness"><code>searchstaleness</code></a></li><li><a href="#shell"><code>shell</code></a></li><li><a href="#sign-git-commit"><code>sign-git-commit</code></a></li><li><a href="#sign-git-tag"><code>sign-git-tag</code></a></li><li><a href="#strict-peer-deps"><code>strict-peer-deps</code></a></li><li><a href="#strict-ssl"><code>strict-ssl</code></a></li><li><a href="#tag"><code>tag</code></a></li><li><a href="#tag-version-prefix"><code>tag-version-prefix</code></a></li><li><a href="#timing"><code>timing</code></a></li><li><a href="#umask"><code>umask</code></a></li><li><a href="#unicode"><code>unicode</code></a></li><li><a href="#update-notifier"><code>update-notifier</code></a></li><li><a href="#usage"><code>usage</code></a></li><li><a href="#user-agent"><code>user-agent</code></a></li><li><a href="#userconfig"><code>userconfig</code></a></li><li><a href="#version"><code>version</code></a></li><li><a href="#versions"><code>versions</code></a></li><li><a href="#viewer"><code>viewer</code></a></li><li><a href="#which"><code>which</code></a></li><li><a href="#workspace"><code>workspace</code></a></li><li><a href="#workspaces"><code>workspaces</code></a></li><li><a href="#workspaces-update"><code>workspaces-update</code></a></li><li><a href="#yes"><code>yes</code></a></li><li><a href="#also"><code>also</code></a></li><li><a href="#auth-type"><code>auth-type</code></a></li><li><a href="#cache-max"><code>cache-max</code></a></li><li><a href="#cache-min"><code>cache-min</code></a></li><li><a href="#dev"><code>dev</code></a></li><li><a href="#global"><code>global</code></a></li><li><a href="#initauthoremail"><code>init.author.email</code></a></li><li><a href="#initauthorname"><code>init.author.name</code></a></li><li><a href="#initauthorurl"><code>init.author.url</code></a></li><li><a href="#initlicense"><code>init.license</code></a></li><li><a href="#initmodule"><code>init.module</code></a></li><li><a href="#initversion"><code>init.version</code></a></li><li><a href="#only"><code>only</code></a></li><li><a href="#optional"><code>optional</code></a></li><li><a href="#production"><code>production</code></a></li><li><a href="#shrinkwrap"><code>shrinkwrap</code></a></li><li><a href="#sso-poll-frequency"><code>sso-poll-frequency</code></a></li><li><a href="#sso-type"><code>sso-type</code></a></li><li><a href="#tmp"><code>tmp</code></a></li></ul><li><a href="#see-also">See also</a></li></ul></div>
</section>
<div id="_content"><h3 id="description">Description</h3>
<p>npm gets its configuration values from the following sources, sorted by priority:</p>
<h4 id="command-line-flags">Command Line Flags</h4>
<p>Putting <code>--foo bar</code> on the command line sets the <code>foo</code> configuration
parameter to <code>"bar"</code>. A <code>--</code> argument tells the cli parser to stop
reading flags. Using <code>--flag</code> without specifying any value will set
the value to <code>true</code>.</p>
<p>Example: <code>--flag1 --flag2</code> will set both configuration parameters
to <code>true</code>, while <code>--flag1 --flag2 bar</code> will set <code>flag1</code> to <code>true</code>,
and <code>flag2</code> to <code>bar</code>. Finally, <code>--flag1 --flag2 -- bar</code> will set
both configuration parameters to <code>true</code>, and the <code>bar</code> is taken
as a command argument.</p>
<h4 id="environment-variables">Environment Variables</h4>
<p>Any environment variables that start with <code>npm_config_</code> will be
interpreted as a configuration parameter. For example, putting
<code>npm_config_foo=bar</code> in your environment will set the <code>foo</code>
configuration parameter to <code>bar</code>. Any environment configurations that
are not given a value will be given the value of <code>true</code>. Config
values are case-insensitive, so <code>NPM_CONFIG_FOO=bar</code> will work the
same. However, please note that inside <a href="../using-npm/scripts.html"><code>scripts</code></a>
npm will set its own environment variables and Node will prefer
those lowercase versions over any uppercase ones that you might set.
For details see <a href="https://github.com/npm/npm/issues/14528">this issue</a>.</p>
<p>Notice that you need to use underscores instead of dashes, so <code>--allow-same-version</code>
would become <code>npm_config_allow_same_version=true</code>.</p>
<h4 id="npmrc-files">npmrc Files</h4>
<p>The four relevant files are:</p>
<ul>
<li>per-project configuration file (<code>/path/to/my/project/.npmrc</code>)</li>
<li>per-user configuration file (defaults to <code>$HOME/.npmrc</code>; configurable via CLI
option <code>--userconfig</code> or environment variable <code>$NPM_CONFIG_USERCONFIG</code>)</li>
<li>global configuration file (defaults to <code>$PREFIX/etc/npmrc</code>; configurable via
CLI option <code>--globalconfig</code> or environment variable <code>$NPM_CONFIG_GLOBALCONFIG</code>)</li>
<li>npm's built-in configuration file (<code>/path/to/npm/npmrc</code>)</li>
</ul>
<p>See <a href="../configuring-npm/npmrc.html">npmrc</a> for more details.</p>
<h4 id="default-configs">Default Configs</h4>
<p>Run <code>npm config ls -l</code> to see a set of configuration parameters that are
internal to npm, and are defaults if nothing else is specified.</p>
<h3 id="shorthands-and-other-cli-niceties">Shorthands and Other CLI Niceties</h3>
<p>The following shorthands are parsed on the command-line:</p>
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<ul>
<li><code>-a</code>: <code>--all</code></li>
<li><code>--enjoy-by</code>: <code>--before</code></li>
<li><code>-c</code>: <code>--call</code></li>
<li><code>--desc</code>: <code>--description</code></li>
<li><code>-f</code>: <code>--force</code></li>
<li><code>-g</code>: <code>--global</code></li>
<li><code>--iwr</code>: <code>--include-workspace-root</code></li>
<li><code>-L</code>: <code>--location</code></li>
<li><code>-d</code>: <code>--loglevel info</code></li>
<li><code>-s</code>: <code>--loglevel silent</code></li>
<li><code>--silent</code>: <code>--loglevel silent</code></li>
<li><code>--ddd</code>: <code>--loglevel silly</code></li>
<li><code>--dd</code>: <code>--loglevel verbose</code></li>
<li><code>--verbose</code>: <code>--loglevel verbose</code></li>
<li><code>-q</code>: <code>--loglevel warn</code></li>
<li><code>--quiet</code>: <code>--loglevel warn</code></li>
<li><code>-l</code>: <code>--long</code></li>
<li><code>-m</code>: <code>--message</code></li>
<li><code>--local</code>: <code>--no-global</code></li>
<li><code>-n</code>: <code>--no-yes</code></li>
<li><code>--no</code>: <code>--no-yes</code></li>
<li><code>-p</code>: <code>--parseable</code></li>
<li><code>--porcelain</code>: <code>--parseable</code></li>
<li><code>-C</code>: <code>--prefix</code></li>
<li><code>--readonly</code>: <code>--read-only</code></li>
<li><code>--reg</code>: <code>--registry</code></li>
<li><code>-S</code>: <code>--save</code></li>
<li><code>-B</code>: <code>--save-bundle</code></li>
<li><code>-D</code>: <code>--save-dev</code></li>
<li><code>-E</code>: <code>--save-exact</code></li>
<li><code>-O</code>: <code>--save-optional</code></li>
<li><code>-P</code>: <code>--save-prod</code></li>
<li><code>-?</code>: <code>--usage</code></li>
<li><code>-h</code>: <code>--usage</code></li>
<li><code>-H</code>: <code>--usage</code></li>
<li><code>--help</code>: <code>--usage</code></li>
<li><code>-v</code>: <code>--version</code></li>
<li><code>-w</code>: <code>--workspace</code></li>
<li><code>--ws</code>: <code>--workspaces</code></li>
<li><code>-y</code>: <code>--yes</code></li>
</ul>
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<p>If the specified configuration param resolves unambiguously to a known
configuration parameter, then it is expanded to that configuration
parameter. For example:</p>
<pre lang="bash"><code>npm ls --par
# same as:
npm ls --parseable
</code></pre>
<p>If multiple single-character shorthands are strung together, and the
resulting combination is unambiguously not some other configuration
param, then it is expanded to its various component pieces. For
example:</p>
<pre lang="bash"><code>npm ls -gpld
# same as:
npm ls --global --parseable --long --loglevel info
</code></pre>
<h3 id="config-settings">Config Settings</h3>
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<h4 id="auth"><code>_auth</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String</li>
</ul>
<p>A basic-auth string to use when authenticating against the npm registry.
This will ONLY be used to authenticate against the npm registry. For other
registries you will need to scope it like "//other-registry.tld/:_auth"</p>
<p>Warning: This should generally not be set via a command-line option. It is
safer to use a registry-provided authentication bearer token stored in the
~/.npmrc file by running <code>npm login</code>.</p>
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<h4 id="access"><code>access</code></h4>
<ul>
<li>Default: 'restricted' for scoped packages, 'public' for unscoped packages</li>
<li>Type: null, "restricted", or "public"</li>
</ul>
<p>When publishing scoped packages, the access level defaults to <code>restricted</code>.
If you want your scoped package to be publicly viewable (and installable)
set <code>--access=public</code>. The only valid values for <code>access</code> are <code>public</code> and
<code>restricted</code>. Unscoped packages <em>always</em> have an access level of <code>public</code>.</p>
<p>Note: Using the <code>--access</code> flag on the <code>npm publish</code> command will only set
the package access level on the initial publish of the package. Any
subsequent <code>npm publish</code> commands using the <code>--access</code> flag will not have an
effect to the access level. To make changes to the access level after the
initial publish use <code>npm access</code>.</p>
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<h4 id="all"><code>all</code></h4>
<ul>
<li>Default: false</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>
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<h4 id="allow-same-version"><code>allow-same-version</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Prevents throwing an error when <code>npm version</code> is used to set the new version
to the same value as the current version.</p>
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<h4 id="audit"><code>audit</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>When "true" submit audit reports alongside the current npm command to the
default registry and all registries configured for scopes. See the
documentation for <a href="../commands/npm-audit.html"><code>npm audit</code></a> for details on what is
submitted.</p>
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<h4 id="audit-level"><code>audit-level</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null, "info", "low", "moderate", "high", "critical", or "none"</li>
</ul>
<p>The minimum level of vulnerability for <code>npm audit</code> to exit with a non-zero
exit code.</p>
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<h4 id="before"><code>before</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Date</li>
</ul>
<p>If passed to <code>npm install</code>, will rebuild the npm tree such that only
versions that were available <strong>on or before</strong> the <code>--before</code> time get
installed. If there's no versions available for the current set of direct
dependencies, the command will error.</p>
<p>If the requested version is a <code>dist-tag</code> and the given tag does not pass the
<code>--before</code> filter, the most recent version less than or equal to that tag
will be used. For example, <code>foo@latest</code> might install <code>foo@1.2</code> even though
<code>latest</code> is <code>2.0</code>.</p>
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<h4 id="bin-links"><code>bin-links</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Tells npm to create symlinks (or <code>.cmd</code> shims on Windows) for package
executables.</p>
<p>Set to false to have it not do this. This can be used to work around the
fact that some file systems don't support symlinks, even on ostensibly Unix
systems.</p>
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<h4 id="browser"><code>browser</code></h4>
<ul>
<li>Default: OS X: <code>"open"</code>, Windows: <code>"start"</code>, Others: <code>"xdg-open"</code></li>
<li>Type: null, Boolean, or String</li>
</ul>
<p>The browser that is called by npm commands to open websites.</p>
<p>Set to <code>false</code> to suppress browser behavior and instead print urls to
terminal.</p>
<p>Set to <code>true</code> to use default system URL opener.</p>
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<h4 id="ca"><code>ca</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String (can be set multiple times)</li>
</ul>
<p>The Certificate Authority signing certificate that is trusted for SSL
connections to the registry. Values should be in PEM format (Windows calls
it "Base-64 encoded X.509 (.CER)") with newlines replaced by the string
"\n". For example:</p>
<pre lang="ini"><code>ca="-----BEGIN CERTIFICATE-----\nXXXX\nXXXX\n-----END CERTIFICATE-----"
</code></pre>
<p>Set to <code>null</code> to only allow "known" registrars, or to a specific CA cert to
trust only that specific signing authority.</p>
<p>Multiple CAs can be trusted by specifying an array of certificates:</p>
<pre lang="ini"><code>ca[]="..."
ca[]="..."
</code></pre>
<p>See also the <code>strict-ssl</code> config.</p>
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<h4 id="cache"><code>cache</code></h4>
<ul>
<li>Default: Windows: <code>%LocalAppData%\npm-cache</code>, Posix: <code>~/.npm</code></li>
<li>Type: Path</li>
</ul>
<p>The location of npm's cache directory. See <a href="../commands/npm-cache.html"><code>npm cache</code></a></p>
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<h4 id="cafile"><code>cafile</code></h4>
<ul>
<li>Default: null</li>
<li>Type: Path</li>
</ul>
<p>A path to a file containing one or multiple Certificate Authority signing
certificates. Similar to the <code>ca</code> setting, but allows for multiple CA's, as
well as for the CA information to be stored in a file on disk.</p>
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<h4 id="call"><code>call</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>Optional companion option for <code>npm exec</code>, <code>npx</code> that allows for specifying a
custom command to be run along with the installed packages.</p>
<pre lang="bash"><code>npm exec --package yo --package generator-node --call "yo node"
</code></pre>
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<h4 id="cert"><code>cert</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String</li>
</ul>
<p>A client certificate to pass when accessing the registry. Values should be
in PEM format (Windows calls it "Base-64 encoded X.509 (.CER)") with
newlines replaced by the string "\n". For example:</p>
<pre lang="ini"><code>cert="-----BEGIN CERTIFICATE-----\nXXXX\nXXXX\n-----END CERTIFICATE-----"
</code></pre>
<p>It is <em>not</em> the path to a certificate file (and there is no "certfile"
option).</p>
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<h4 id="ci-name"><code>ci-name</code></h4>
<ul>
<li>Default: The name of the current CI system, or <code>null</code> when not on a known CI
platform.</li>
<li>Type: null or String</li>
</ul>
<p>The name of a continuous integration system. If not set explicitly, npm will
detect the current CI environment using the
<a href="http://npm.im/@npmcli/ci-detect"><code>@npmcli/ci-detect</code></a> module.</p>
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<h4 id="cidr"><code>cidr</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String (can be set multiple times)</li>
</ul>
<p>This is a list of CIDR address to be used when configuring limited access
tokens with the <code>npm token create</code> command.</p>
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<h4 id="color"><code>color</code></h4>
<ul>
<li>Default: true unless the NO_COLOR environ is set to something other than '0'</li>
<li>Type: "always" or Boolean</li>
</ul>
<p>If false, never shows colors. If <code>"always"</code> then always shows colors. If
true, then only prints color codes for tty file descriptors.</p>
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<h4 id="commit-hooks"><code>commit-hooks</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Run git commit hooks when using the <code>npm version</code> command.</p>
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<h4 id="depth"><code>depth</code></h4>
<ul>
<li>Default: <code>Infinity</code> if <code>--all</code> is set, otherwise <code>1</code></li>
<li>Type: null or Number</li>
</ul>
<p>The depth to go when recursing packages for <code>npm ls</code>.</p>
<p>If not set, <code>npm ls</code> will show only the immediate dependencies of the root
project. If <code>--all</code> is set, then npm will show all dependencies by default.</p>
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<h4 id="description2"><code>description</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Show the description in <code>npm search</code></p>
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<h4 id="diff"><code>diff</code></h4>
<ul>
<li>Default:</li>
<li>Type: String (can be set multiple times)</li>
</ul>
<p>Define arguments to compare in <code>npm diff</code>.</p>
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<h4 id="diff-dst-prefix"><code>diff-dst-prefix</code></h4>
<ul>
<li>Default: "b/"</li>
<li>Type: String</li>
</ul>
<p>Destination prefix to be used in <code>npm diff</code> output.</p>
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<h4 id="diff-ignore-all-space"><code>diff-ignore-all-space</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Ignore whitespace when comparing lines in <code>npm diff</code>.</p>
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<h4 id="diff-name-only"><code>diff-name-only</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Prints only filenames when using <code>npm diff</code>.</p>
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<h4 id="diff-no-prefix"><code>diff-no-prefix</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Do not show any source or destination prefix in <code>npm diff</code> output.</p>
<p>Note: this causes <code>npm diff</code> to ignore the <code>--diff-src-prefix</code> and
<code>--diff-dst-prefix</code> configs.</p>
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<h4 id="diff-src-prefix"><code>diff-src-prefix</code></h4>
<ul>
<li>Default: "a/"</li>
<li>Type: String</li>
</ul>
<p>Source prefix to be used in <code>npm diff</code> output.</p>
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<h4 id="diff-text"><code>diff-text</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Treat all files as text in <code>npm diff</code>.</p>
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<h4 id="diff-unified"><code>diff-unified</code></h4>
<ul>
<li>Default: 3</li>
<li>Type: Number</li>
</ul>
<p>The number of lines of context to print in <code>npm diff</code>.</p>
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<h4 id="dry-run"><code>dry-run</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Indicates that you don't want npm to make any changes and that it should
only report what it would have done. This can be passed into any of the
commands that modify your local installation, eg, <code>install</code>, <code>update</code>,
<code>dedupe</code>, <code>uninstall</code>, as well as <code>pack</code> and <code>publish</code>.</p>
<p>Note: This is NOT honored by other network related commands, eg <code>dist-tags</code>,
<code>owner</code>, etc.</p>
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<h4 id="editor"><code>editor</code></h4>
<ul>
<li>Default: The EDITOR or VISUAL environment variables, or 'notepad.exe' on
Windows, or 'vim' on Unix systems</li>
<li>Type: String</li>
</ul>
<p>The command to run for <code>npm edit</code> and <code>npm config edit</code>.</p>
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<h4 id="engine-strict"><code>engine-strict</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If set to true, then npm will stubbornly refuse to install (or even consider
installing) any package that claims to not be compatible with the current
Node.js version.</p>
<p>This can be overridden by setting the <code>--force</code> flag.</p>
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<h4 id="fetch-retries"><code>fetch-retries</code></h4>
<ul>
<li>Default: 2</li>
<li>Type: Number</li>
</ul>
<p>The "retries" config for the <code>retry</code> module to use when fetching packages
from the registry.</p>
<p>npm will retry idempotent read requests to the registry in the case of
network failures or 5xx HTTP errors.</p>
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<h4 id="fetch-retry-factor"><code>fetch-retry-factor</code></h4>
<ul>
<li>Default: 10</li>
<li>Type: Number</li>
</ul>
<p>The "factor" config for the <code>retry</code> module to use when fetching packages.</p>
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<h4 id="fetch-retry-maxtimeout"><code>fetch-retry-maxtimeout</code></h4>
<ul>
<li>Default: 60000 (1 minute)</li>
<li>Type: Number</li>
</ul>
<p>The "maxTimeout" config for the <code>retry</code> module to use when fetching
packages.</p>
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<h4 id="fetch-retry-mintimeout"><code>fetch-retry-mintimeout</code></h4>
<ul>
<li>Default: 10000 (10 seconds)</li>
<li>Type: Number</li>
</ul>
<p>The "minTimeout" config for the <code>retry</code> module to use when fetching
packages.</p>
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<h4 id="fetch-timeout"><code>fetch-timeout</code></h4>
<ul>
<li>Default: 300000 (5 minutes)</li>
<li>Type: Number</li>
</ul>
<p>The maximum amount of time to wait for HTTP requests to complete.</p>
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<h4 id="force"><code>force</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Removes various protections against unfortunate side effects, common
mistakes, unnecessary performance degradation, and malicious input.</p>
<ul>
<li>Allow clobbering non-npm files in global installs.</li>
<li>Allow the <code>npm version</code> command to work on an unclean git repository.</li>
<li>Allow deleting the cache folder with <code>npm cache clean</code>.</li>
<li>Allow installing packages that have an <code>engines</code> declaration requiring a
different version of npm.</li>
<li>Allow installing packages that have an <code>engines</code> declaration requiring a
different version of <code>node</code>, even if <code>--engine-strict</code> is enabled.</li>
<li>Allow <code>npm audit fix</code> to install modules outside your stated dependency
range (including SemVer-major changes).</li>
<li>Allow unpublishing all versions of a published package.</li>
<li>Allow conflicting peerDependencies to be installed in the root project.</li>
<li>Implicitly set <code>--yes</code> during <code>npm init</code>.</li>
<li>Allow clobbering existing values in <code>npm pkg</code></li>
<li>Allow unpublishing of entire packages (not just a single version).</li>
</ul>
<p>If you don't have a clear idea of what you want to do, it is strongly
recommended that you do not use this option!</p>
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<h4 id="foreground-scripts"><code>foreground-scripts</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Run all build scripts (ie, <code>preinstall</code>, <code>install</code>, and <code>postinstall</code>)
scripts for installed packages in the foreground process, sharing standard
input, output, and error with the main npm process.</p>
<p>Note that this will generally make installs run slower, and be much noisier,
but can be useful for debugging.</p>
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<h4 id="format-package-lock"><code>format-package-lock</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Format <code>package-lock.json</code> or <code>npm-shrinkwrap.json</code> as a human readable
file.</p>
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<h4 id="fund"><code>fund</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>When "true" displays the message at the end of each <code>npm install</code>
acknowledging the number of dependencies looking for funding. See <a href="../commands/npm-fund.html"><code>npm fund</code></a> for details.</p>
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<h4 id="git"><code>git</code></h4>
<ul>
<li>Default: "git"</li>
<li>Type: String</li>
</ul>
<p>The command to use for git commands. If git is installed on the computer,
but is not in the <code>PATH</code>, then set this to the full path to the git binary.</p>
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<h4 id="git-tag-version"><code>git-tag-version</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Tag the commit when using the <code>npm version</code> command. Setting this to false
results in no commit being made at all.</p>
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<h4 id="global-style"><code>global-style</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Causes npm to install the package into your local <code>node_modules</code> folder with
the same layout it uses with the global <code>node_modules</code> folder. Only your
direct dependencies will show in <code>node_modules</code> and everything they depend
on will be flattened in their <code>node_modules</code> folders. This obviously will
eliminate some deduping. If used with <code>legacy-bundling</code>, <code>legacy-bundling</code>
will be preferred.</p>
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<h4 id="globalconfig"><code>globalconfig</code></h4>
<ul>
<li>Default: The global --prefix setting plus 'etc/npmrc'. For example,
'/usr/local/etc/npmrc'</li>
<li>Type: Path</li>
</ul>
<p>The config file to read for global config options.</p>
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<h4 id="heading"><code>heading</code></h4>
<ul>
<li>Default: "npm"</li>
<li>Type: String</li>
</ul>
<p>The string that starts all the debugging log output.</p>
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<h4 id="https-proxy"><code>https-proxy</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or URL</li>
</ul>
<p>A proxy to use for outgoing https requests. If the <code>HTTPS_PROXY</code> or
<code>https_proxy</code> or <code>HTTP_PROXY</code> or <code>http_proxy</code> environment variables are set,
proxy settings will be honored by the underlying <code>make-fetch-happen</code>
library.</p>
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<h4 id="if-present"><code>if-present</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, npm will not exit with an error code when <code>run-script</code> is invoked
for a script that isn't defined in the <code>scripts</code> section of <code>package.json</code>.
This option can be used when it's desirable to optionally run a script when
it's present and fail if the script fails. This is useful, for example, when
running scripts that may only apply for some builds in an otherwise generic
CI setup.</p>
<p>This value is not exported to the environment for child processes.</p>
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<h4 id="ignore-scripts"><code>ignore-scripts</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, npm does not run scripts specified in package.json files.</p>
<p>Note that commands explicitly intended to run a particular script, such as
<code>npm start</code>, <code>npm stop</code>, <code>npm restart</code>, <code>npm test</code>, and <code>npm run-script</code>
will still run their intended script if <code>ignore-scripts</code> is set, but they
will <em>not</em> run any pre- or post-scripts.</p>
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<h4 id="include"><code>include</code></h4>
<ul>
<li>Default:</li>
<li>Type: "prod", "dev", "optional", or "peer" (can be set multiple times)</li>
</ul>
<p>Option that allows for defining which types of dependencies to install.</p>
<p>This is the inverse of <code>--omit=<type></code>.</p>
<p>Dependency types specified in <code>--include</code> will not be omitted, regardless of
the order in which omit/include are specified on the command-line.</p>
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<h4 id="include-staged"><code>include-staged</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Allow installing "staged" published packages, as defined by <a href="https://github.com/npm/rfcs/pull/92">npm RFC PR
#92</a>.</p>
<p>This is experimental, and not implemented by the npm public registry.</p>
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<h4 id="include-workspace-root"><code>include-workspace-root</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Include the workspace root when workspaces are enabled for a command.</p>
<p>When false, specifying individual workspaces via the <code>workspace</code> config, or
all workspaces via the <code>workspaces</code> flag, will cause npm to operate only on
the specified workspaces, and not on the root project.</p>
<p>This value is not exported to the environment for child processes.</p>
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<h4 id="init-author-email"><code>init-author-email</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>The value <code>npm init</code> should use by default for the package author's email.</p>
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<h4 id="init-author-name"><code>init-author-name</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>The value <code>npm init</code> should use by default for the package author's name.</p>
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<h4 id="init-author-url"><code>init-author-url</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: "" or URL</li>
</ul>
<p>The value <code>npm init</code> should use by default for the package author's
homepage.</p>
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<h4 id="init-license"><code>init-license</code></h4>
<ul>
<li>Default: "ISC"</li>
<li>Type: String</li>
</ul>
<p>The value <code>npm init</code> should use by default for the package license.</p>
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<h4 id="init-module"><code>init-module</code></h4>
<ul>
<li>Default: "~/.npm-init.js"</li>
<li>Type: Path</li>
</ul>
<p>A module that will be loaded by the <code>npm init</code> command. See the
documentation for the
<a href="https://github.com/npm/init-package-json">init-package-json</a> module for
more information, or <a href="../commands/npm-init.html">npm init</a>.</p>
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<h4 id="init-version"><code>init-version</code></h4>
<ul>
<li>Default: "1.0.0"</li>
<li>Type: SemVer string</li>
</ul>
<p>The value that <code>npm init</code> should use by default for the package version
number, if not already set in package.json.</p>
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<h4 id="install-links"><code>install-links</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>When set file: protocol dependencies that exist outside of the project root
will be packed and installed as regular dependencies instead of creating a
symlink. This option has no effect on workspaces.</p>
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<h4 id="json"><code>json</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Whether or not to output JSON data, rather than the normal output.</p>
<ul>
<li>In <code>npm pkg set</code> it enables parsing set values with JSON.parse() before
saving them to your <code>package.json</code>.</li>
</ul>
<p>Not supported by all npm commands.</p>
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<h4 id="key"><code>key</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String</li>
</ul>
<p>A client key to pass when accessing the registry. Values should be in PEM
format with newlines replaced by the string "\n". For example:</p>
<pre lang="ini"><code>key="-----BEGIN PRIVATE KEY-----\nXXXX\nXXXX\n-----END PRIVATE KEY-----"
</code></pre>
<p>It is <em>not</em> the path to a key file (and there is no "keyfile" option).</p>
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<h4 id="legacy-bundling"><code>legacy-bundling</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Causes npm to install the package such that versions of npm prior to 1.4,
such as the one included with node 0.8, can install the package. This
eliminates all automatic deduping. If used with <code>global-style</code> this option
will be preferred.</p>
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<h4 id="legacy-peer-deps"><code>legacy-peer-deps</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Causes npm to completely ignore <code>peerDependencies</code> when building a package
tree, as in npm versions 3 through 6.</p>
<p>If a package cannot be installed because of overly strict <code>peerDependencies</code>
that collide, it provides a way to move forward resolving the situation.</p>
<p>This differs from <code>--omit=peer</code>, in that <code>--omit=peer</code> will avoid unpacking
<code>peerDependencies</code> on disk, but will still design a tree such that
<code>peerDependencies</code> <em>could</em> be unpacked in a correct place.</p>
<p>Use of <code>legacy-peer-deps</code> is not recommended, as it will not enforce the
<code>peerDependencies</code> contract that meta-dependencies may rely on.</p>
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<h4 id="link"><code>link</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Used with <code>npm ls</code>, limiting output to only those packages that are linked.</p>
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<h4 id="local-address"><code>local-address</code></h4>
<ul>
<li>Default: null</li>
<li>Type: IP Address</li>
</ul>
<p>The IP address of the local interface to use when making connections to the
npm registry. Must be IPv4 in versions of Node prior to 0.12.</p>
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<h4 id="location"><code>location</code></h4>
<ul>
<li>Default: "user" unless <code>--global</code> is passed, which will also set this value
to "global"</li>
<li>Type: "global", "user", or "project"</li>
</ul>
<p>When passed to <code>npm config</code> this refers to which config file to use.</p>
<p>When set to "global" mode, packages are installed into the <code>prefix</code> folder
instead of the current working directory. See
<a href="../configuring-npm/folders.html">folders</a> for more on the differences in behavior.</p>
<ul>
<li>packages are installed into the <code>{prefix}/lib/node_modules</code> folder, instead
of the current working directory.</li>
<li>bin files are linked to <code>{prefix}/bin</code></li>
<li>man pages are linked to <code>{prefix}/share/man</code></li>
</ul>
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<h4 id="lockfile-version"><code>lockfile-version</code></h4>
<ul>
<li>Default: Version 2 if no lockfile or current lockfile version less than or
equal to 2, otherwise maintain current lockfile version</li>
<li>Type: null, 1, 2, 3, "1", "2", or "3"</li>
</ul>
<p>Set the lockfile format version to be used in package-lock.json and
npm-shrinkwrap-json files. Possible options are:</p>
<p>1: The lockfile version used by npm versions 5 and 6. Lacks some data that
is used during the install, resulting in slower and possibly less
deterministic installs. Prevents lockfile churn when interoperating with
older npm versions.</p>
<p>2: The default lockfile version used by npm version 7. Includes both the
version 1 lockfile data and version 3 lockfile data, for maximum determinism
and interoperability, at the expense of more bytes on disk.</p>
<p>3: Only the new lockfile information introduced in npm version 7. Smaller on
disk than lockfile version 2, but not interoperable with older npm versions.
Ideal if all users are on npm version 7 and higher.</p>
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<h4 id="loglevel"><code>loglevel</code></h4>
<ul>
<li>Default: "notice"</li>
<li>Type: "silent", "error", "warn", "notice", "http", "timing", "info",
"verbose", or "silly"</li>
</ul>
<p>What level of logs to report. All logs are written to a debug log, with the
path to that file printed if the execution of a command fails.</p>
<p>Any logs of a higher level than the setting are shown. The default is
"notice".</p>
<p>See also the <code>foreground-scripts</code> config.</p>
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<h4 id="logs-dir"><code>logs-dir</code></h4>
<ul>
<li>Default: A directory named <code>_logs</code> inside the cache</li>
<li>Type: null or Path</li>
</ul>
<p>The location of npm's log directory. See <a href="../using-npm/logging.html"><code>npm logging</code></a>
for more information.</p>
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<h4 id="logs-max"><code>logs-max</code></h4>
<ul>
<li>Default: 10</li>
<li>Type: Number</li>
</ul>
<p>The maximum number of log files to store.</p>
<p>If set to 0, no log files will be written for the current run.</p>
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<h4 id="long"><code>long</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Show extended information in <code>ls</code>, <code>search</code>, and <code>help-search</code>.</p>
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<h4 id="maxsockets"><code>maxsockets</code></h4>
<ul>
<li>Default: 15</li>
<li>Type: Number</li>
</ul>
<p>The maximum number of connections to use per origin (protocol/host/port
combination).</p>
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<h4 id="message"><code>message</code></h4>
<ul>
<li>Default: "%s"</li>
<li>Type: String</li>
</ul>
<p>Commit message which is used by <code>npm version</code> when creating version commit.</p>
<p>Any "%s" in the message will be replaced with the version number.</p>
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<h4 id="node-options"><code>node-options</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String</li>
</ul>
<p>Options to pass through to Node.js via the <code>NODE_OPTIONS</code> environment
variable. This does not impact how npm itself is executed but it does impact
how lifecycle scripts are called.</p>
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<h4 id="node-version"><code>node-version</code></h4>
<ul>
<li>Default: Node.js <code>process.version</code> value</li>
<li>Type: SemVer string</li>
</ul>
<p>The node version to use when checking a package's <code>engines</code> setting.</p>
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<h4 id="noproxy"><code>noproxy</code></h4>
<ul>
<li>Default: The value of the NO_PROXY environment variable</li>
<li>Type: String (can be set multiple times)</li>
</ul>
<p>Domain extensions that should bypass any proxies.</p>
<p>Also accepts a comma-delimited string.</p>
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<h4 id="npm-version"><code>npm-version</code></h4>
<ul>
<li>Default: Output of <code>npm --version</code></li>
<li>Type: SemVer string</li>
</ul>
<p>The npm version to use when checking a package's <code>engines</code> setting.</p>
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<h4 id="offline"><code>offline</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Force offline mode: no network requests will be done during install. To
allow the CLI to fill in missing cache data, see <code>--prefer-offline</code>.</p>
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<h4 id="omit"><code>omit</code></h4>
<ul>
<li>Default: 'dev' if the <code>NODE_ENV</code> environment variable is set to
'production', otherwise empty.</li>
<li>Type: "dev", "optional", or "peer" (can be set multiple times)</li>
</ul>
<p>Dependency types to omit from the installation tree on disk.</p>
<p>Note that these dependencies <em>are</em> still resolved and added to the
<code>package-lock.json</code> or <code>npm-shrinkwrap.json</code> file. They are just not
physically installed on disk.</p>
<p>If a package type appears in both the <code>--include</code> and <code>--omit</code> lists, then
it will be included.</p>
<p>If the resulting omit list includes <code>'dev'</code>, then the <code>NODE_ENV</code> environment
variable will be set to <code>'production'</code> for all lifecycle scripts.</p>
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<h4 id="omit-lockfile-registry-resolved"><code>omit-lockfile-registry-resolved</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>This option causes npm to create lock files without a <code>resolved</code> key for
registry dependencies. Subsequent installs will need to resolve tarball
endpoints with the configured registry, likely resulting in a longer install
time.</p>
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<h4 id="otp"><code>otp</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or String</li>
</ul>
<p>This is a one-time password from a two-factor authenticator. It's needed
when publishing or changing package permissions with <code>npm access</code>.</p>
<p>If not set, and a registry response fails with a challenge for a one-time
password, npm will prompt on the command line for one.</p>
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<h4 id="pack-destination"><code>pack-destination</code></h4>
<ul>
<li>Default: "."</li>
<li>Type: String</li>
</ul>
<p>Directory in which <code>npm pack</code> will save tarballs.</p>
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<h4 id="package"><code>package</code></h4>
<ul>
<li>Default:</li>
<li>Type: String (can be set multiple times)</li>
</ul>
<p>The package to install for <a href="../commands/npm-exec.html"><code>npm exec</code></a></p>
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<h4 id="package-lock"><code>package-lock</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>If set to false, then ignore <code>package-lock.json</code> files when installing. This
will also prevent <em>writing</em> <code>package-lock.json</code> if <code>save</code> is true.</p>
<p>This configuration does not affect <code>npm ci</code>.</p>
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<h4 id="package-lock-only"><code>package-lock-only</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If set to true, the current operation will only use the <code>package-lock.json</code>,
ignoring <code>node_modules</code>.</p>
<p>For <code>update</code> this means only the <code>package-lock.json</code> will be updated,
instead of checking <code>node_modules</code> and downloading dependencies.</p>
<p>For <code>list</code> this means the output will be based on the tree described by the
<code>package-lock.json</code>, rather than the contents of <code>node_modules</code>.</p>
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<h4 id="parseable"><code>parseable</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Output parseable results from commands that write to standard output. For
<code>npm search</code>, this will be tab-separated table format.</p>
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<h4 id="prefer-offline"><code>prefer-offline</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, staleness checks for cached data will be bypassed, but missing data
will be requested from the server. To force full offline mode, use
<code>--offline</code>.</p>
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<h4 id="prefer-online"><code>prefer-online</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, staleness checks for cached data will be forced, making the CLI
look for updates immediately even for fresh package data.</p>
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<h4 id="prefix"><code>prefix</code></h4>
<ul>
<li>Default: In global mode, the folder where the node executable is installed.
In local mode, the nearest parent folder containing either a package.json
file or a node_modules folder.</li>
<li>Type: Path</li>
</ul>
<p>The location to install global items. If set on the command line, then it
forces non-global commands to run in the specified folder.</p>
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<h4 id="preid"><code>preid</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>The "prerelease identifier" to use as a prefix for the "prerelease" part of
a semver. Like the <code>rc</code> in <code>1.2.0-rc.8</code>.</p>
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<h4 id="progress"><code>progress</code></h4>
<ul>
<li>Default: <code>true</code> unless running in a known CI system</li>
<li>Type: Boolean</li>
</ul>
<p>When set to <code>true</code>, npm will display a progress bar during time intensive
operations, if <code>process.stderr</code> is a TTY.</p>
<p>Set to <code>false</code> to suppress the progress bar.</p>
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<h4 id="proxy"><code>proxy</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null, false, or URL</li>
</ul>
<p>A proxy to use for outgoing http requests. If the <code>HTTP_PROXY</code> or
<code>http_proxy</code> environment variables are set, proxy settings will be honored
by the underlying <code>request</code> library.</p>
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<h4 id="read-only"><code>read-only</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>This is used to mark a token as unable to publish when configuring limited
access tokens with the <code>npm token create</code> command.</p>
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<h4 id="rebuild-bundle"><code>rebuild-bundle</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Rebuild bundled dependencies after installation.</p>
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<h4 id="registry"><code>registry</code></h4>
<ul>
<li>Default: "<a href="https://registry.npmjs.org/">https://registry.npmjs.org/</a>"</li>
<li>Type: URL</li>
</ul>
<p>The base URL of the npm registry.</p>
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<h4 id="save"><code>save</code></h4>
<ul>
<li>Default: <code>true</code> unless when using <code>npm update</code> where it defaults to <code>false</code></li>
<li>Type: Boolean</li>
</ul>
<p>Save installed packages to a <code>package.json</code> file as dependencies.</p>
<p>When used with the <code>npm rm</code> command, removes the dependency from
<code>package.json</code>.</p>
<p>Will also prevent writing to <code>package-lock.json</code> if set to <code>false</code>.</p>
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<h4 id="save-bundle"><code>save-bundle</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If a package would be saved at install time by the use of <code>--save</code>,
<code>--save-dev</code>, or <code>--save-optional</code>, then also put it in the
<code>bundleDependencies</code> list.</p>
<p>Ignored if <code>--save-peer</code> is set, since peerDependencies cannot be bundled.</p>
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<h4 id="save-dev"><code>save-dev</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Save installed packages to a package.json file as <code>devDependencies</code>.</p>
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<h4 id="save-exact"><code>save-exact</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Dependencies saved to package.json will be configured with an exact version
rather than using npm's default semver range operator.</p>
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<h4 id="save-optional"><code>save-optional</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Save installed packages to a package.json file as <code>optionalDependencies</code>.</p>
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<h4 id="save-peer"><code>save-peer</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Save installed packages to a package.json file as <code>peerDependencies</code></p>
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<h4 id="save-prefix"><code>save-prefix</code></h4>
<ul>
<li>Default: "^"</li>
<li>Type: String</li>
</ul>
<p>Configure how versions of packages installed to a package.json file via
<code>--save</code> or <code>--save-dev</code> get prefixed.</p>
<p>For example if a package has version <code>1.2.3</code>, by default its version is set
to <code>^1.2.3</code> which allows minor upgrades for that package, but after <code>npm config set save-prefix='~'</code> it would be set to <code>~1.2.3</code> which only allows
patch upgrades.</p>
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<h4 id="save-prod"><code>save-prod</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Save installed packages into <code>dependencies</code> specifically. This is useful if
a package already exists in <code>devDependencies</code> or <code>optionalDependencies</code>, but
you want to move it to be a non-optional production dependency.</p>
<p>This is the default behavior if <code>--save</code> is true, and neither <code>--save-dev</code>
or <code>--save-optional</code> are true.</p>
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<h4 id="scope"><code>scope</code></h4>
<ul>
<li>Default: the scope of the current project, if any, or ""</li>
<li>Type: String</li>
</ul>
<p>Associate an operation with a scope for a scoped registry.</p>
<p>Useful when logging in to or out of a private registry:</p>
<pre><code># log in, linking the scope to the custom registry
npm login --scope=@mycorp --registry=https://registry.mycorp.com
# log out, removing the link and the auth token
npm logout --scope=@mycorp
</code></pre>
<p>This will cause <code>@mycorp</code> to be mapped to the registry for future
installation of packages specified according to the pattern
<code>@mycorp/package</code>.</p>
<p>This will also cause <code>npm init</code> to create a scoped package.</p>
<pre><code># accept all defaults, and create a package named "@foo/whatever",
# instead of just named "whatever"
npm init --scope=@foo --yes
</code></pre>
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<h4 id="script-shell"><code>script-shell</code></h4>
<ul>
<li>Default: '/bin/sh' on POSIX systems, 'cmd.exe' on Windows</li>
<li>Type: null or String</li>
</ul>
<p>The shell to use for scripts run with the <code>npm exec</code>, <code>npm run</code> and <code>npm init <pkg></code> commands.</p>
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<h4 id="searchexclude"><code>searchexclude</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>Space-separated options that limit the results from search.</p>
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<h4 id="searchlimit"><code>searchlimit</code></h4>
<ul>
<li>Default: 20</li>
<li>Type: Number</li>
</ul>
<p>Number of items to limit search results to. Will not apply at all to legacy
searches.</p>
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<h4 id="searchopts"><code>searchopts</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
</ul>
<p>Space-separated options that are always passed to search.</p>
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<h4 id="searchstaleness"><code>searchstaleness</code></h4>
<ul>
<li>Default: 900</li>
<li>Type: Number</li>
</ul>
<p>The age of the cache, in seconds, before another registry request is made if
using legacy search endpoint.</p>
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<h4 id="shell"><code>shell</code></h4>
<ul>
<li>Default: SHELL environment variable, or "bash" on Posix, or "cmd.exe" on
Windows</li>
<li>Type: String</li>
</ul>
<p>The shell to run for the <code>npm explore</code> command.</p>
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<h4 id="sign-git-commit"><code>sign-git-commit</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If set to true, then the <code>npm version</code> command will commit the new package
version using <code>-S</code> to add a signature.</p>
<p>Note that git requires you to have set up GPG keys in your git configs for
this to work properly.</p>
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<h4 id="sign-git-tag"><code>sign-git-tag</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If set to true, then the <code>npm version</code> command will tag the version using
<code>-s</code> to add a signature.</p>
<p>Note that git requires you to have set up GPG keys in your git configs for
this to work properly.</p>
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<h4 id="strict-peer-deps"><code>strict-peer-deps</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If set to <code>true</code>, and <code>--legacy-peer-deps</code> is not set, then <em>any</em>
conflicting <code>peerDependencies</code> will be treated as an install failure, even
if npm could reasonably guess the appropriate resolution based on non-peer
dependency relationships.</p>
<p>By default, conflicting <code>peerDependencies</code> deep in the dependency graph will
be resolved using the nearest non-peer dependency specification, even if
doing so will result in some packages receiving a peer dependency outside
the range set in their package's <code>peerDependencies</code> object.</p>
<p>When such and override is performed, a warning is printed, explaining the
conflict and the packages involved. If <code>--strict-peer-deps</code> is set, then
this warning is treated as a failure.</p>
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<h4 id="strict-ssl"><code>strict-ssl</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Whether or not to do SSL key validation when making requests to the registry
via https.</p>
<p>See also the <code>ca</code> config.</p>
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<h4 id="tag"><code>tag</code></h4>
<ul>
<li>Default: "latest"</li>
<li>Type: String</li>
</ul>
<p>If you ask npm to install a package and don't tell it a specific version,
then it will install the specified tag.</p>
<p>Also the tag that is added to the package@version specified by the <code>npm tag</code>
command, if no explicit tag is given.</p>
<p>When used by the <code>npm diff</code> command, this is the tag used to fetch the
tarball that will be compared with the local files by default.</p>
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<h4 id="tag-version-prefix"><code>tag-version-prefix</code></h4>
<ul>
<li>Default: "v"</li>
<li>Type: String</li>
</ul>
<p>If set, alters the prefix used when tagging a new version when performing a
version increment using <code>npm-version</code>. To remove the prefix altogether, set
it to the empty string: <code>""</code>.</p>
<p>Because other tools may rely on the convention that npm version tags look
like <code>v1.0.0</code>, <em>only use this property if it is absolutely necessary</em>. In
particular, use care when overriding this setting for public packages.</p>
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<h4 id="timing"><code>timing</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, writes a debug log to <code>logs-dir</code> and timing information to
<code>_timing.json</code> in the cache, even if the command completes successfully.
<code>_timing.json</code> is a newline delimited list of JSON objects.</p>
<p>You can quickly view it with this <a href="https://npm.im/json">json</a> command line:
<code>npm exec -- json -g < ~/.npm/_timing.json</code>.</p>
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<h4 id="umask"><code>umask</code></h4>
<ul>
<li>Default: 0</li>
<li>Type: Octal numeric string in range 0000..0777 (0..511)</li>
</ul>
<p>The "umask" value to use when setting the file creation mode on files and
folders.</p>
<p>Folders and executables are given a mode which is <code>0o777</code> masked against
this value. Other files are given a mode which is <code>0o666</code> masked against
this value.</p>
<p>Note that the underlying system will <em>also</em> apply its own umask value to
files and folders that are created, and npm does not circumvent this, but
rather adds the <code>--umask</code> config to it.</p>
<p>Thus, the effective default umask value on most POSIX systems is 0o22,
meaning that folders and executables are created with a mode of 0o755 and
other files are created with a mode of 0o644.</p>
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<h4 id="unicode"><code>unicode</code></h4>
<ul>
<li>Default: false on windows, true on mac/unix systems with a unicode locale,
as defined by the <code>LC_ALL</code>, <code>LC_CTYPE</code>, or <code>LANG</code> environment variables.</li>
<li>Type: Boolean</li>
</ul>
<p>When set to true, npm uses unicode characters in the tree output. When
false, it uses ascii characters instead of unicode glyphs.</p>
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<h4 id="update-notifier"><code>update-notifier</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>Set to false to suppress the update notification when using an older version
of npm than the latest.</p>
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<h4 id="usage"><code>usage</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>Show short usage output about the command specified.</p>
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<h4 id="user-agent"><code>user-agent</code></h4>
<ul>
<li>Default: "npm/{npm-version} node/{node-version} {platform} {arch}
workspaces/{workspaces} {ci}"</li>
<li>Type: String</li>
</ul>
<p>Sets the User-Agent request header. The following fields are replaced with
their actual counterparts:</p>
<ul>
<li><code>{npm-version}</code> - The npm version in use</li>
<li><code>{node-version}</code> - The Node.js version in use</li>
<li><code>{platform}</code> - The value of <code>process.platform</code></li>
<li><code>{arch}</code> - The value of <code>process.arch</code></li>
<li><code>{workspaces}</code> - Set to <code>true</code> if the <code>workspaces</code> or <code>workspace</code> options
are set.</li>
<li><code>{ci}</code> - The value of the <code>ci-name</code> config, if set, prefixed with <code>ci/</code>, or
an empty string if <code>ci-name</code> is empty.</li>
</ul>
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<h4 id="userconfig"><code>userconfig</code></h4>
<ul>
<li>Default: "~/.npmrc"</li>
<li>Type: Path</li>
</ul>
<p>The location of user-level configuration settings.</p>
<p>This may be overridden by the <code>npm_config_userconfig</code> environment variable
or the <code>--userconfig</code> command line option, but may <em>not</em> be overridden by
settings in the <code>globalconfig</code> file.</p>
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<h4 id="version"><code>version</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, output the npm version and exit successfully.</p>
<p>Only relevant when specified explicitly on the command line.</p>
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<h4 id="versions"><code>versions</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
</ul>
<p>If true, output the npm version as well as node's <code>process.versions</code> map and
the version in the current working directory's <code>package.json</code> file if one
exists, and exit successfully.</p>
<p>Only relevant when specified explicitly on the command line.</p>
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<h4 id="viewer"><code>viewer</code></h4>
<ul>
<li>Default: "man" on Posix, "browser" on Windows</li>
<li>Type: String</li>
</ul>
<p>The program to use to view help content.</p>
<p>Set to <code>"browser"</code> to view html help content in the default web browser.</p>
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<h4 id="which"><code>which</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Number</li>
</ul>
<p>If there are multiple funding sources, which 1-indexed source URL to open.</p>
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<h4 id="workspace"><code>workspace</code></h4>
<ul>
<li>Default:</li>
<li>Type: String (can be set multiple times)</li>
</ul>
<p>Enable running a command in the context of the configured workspaces of the
current project while filtering by running only the workspaces defined by
this configuration option.</p>
<p>Valid values for the <code>workspace</code> config are either:</p>
<ul>
<li>Workspace names</li>
<li>Path to a workspace directory</li>
<li>Path to a parent workspace directory (will result in selecting all
workspaces within that folder)</li>
</ul>
<p>When set for the <code>npm init</code> command, this may be set to the folder of a
workspace which does not yet exist, to create the folder and set it up as a
brand new workspace within the project.</p>
<p>This value is not exported to the environment for child processes.</p>
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<h4 id="workspaces"><code>workspaces</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Boolean</li>
</ul>
<p>Set to true to run the command in the context of <strong>all</strong> configured
workspaces.</p>
<p>Explicitly setting this to false will cause commands like <code>install</code> to
ignore workspaces altogether. When not set explicitly:</p>
<ul>
<li>Commands that operate on the <code>node_modules</code> tree (install, update, etc.)
will link workspaces into the <code>node_modules</code> folder. - Commands that do
other things (test, exec, publish, etc.) will operate on the root project,
<em>unless</em> one or more workspaces are specified in the <code>workspace</code> config.</li>
</ul>
<p>This value is not exported to the environment for child processes.</p>
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<h4 id="workspaces-update"><code>workspaces-update</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
</ul>
<p>If set to true, the npm cli will run an update after operations that may
possibly change the workspaces installed to the <code>node_modules</code> folder.</p>
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<h4 id="yes"><code>yes</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Boolean</li>
</ul>
<p>Automatically answer "yes" to any prompts that npm might print on the
command line.</p>
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<h4 id="also"><code>also</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null, "dev", or "development"</li>
<li>DEPRECATED: Please use --include=dev instead.</li>
</ul>
<p>When set to <code>dev</code> or <code>development</code>, this is an alias for <code>--include=dev</code>.</p>
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<h4 id="auth-type"><code>auth-type</code></h4>
<ul>
<li>Default: "legacy"</li>
<li>Type: "legacy", "sso", "saml", or "oauth"</li>
<li>DEPRECATED: This method of SSO/SAML/OAuth is deprecated and will be removed
in a future version of npm in favor of web-based login.</li>
</ul>
<p>What authentication strategy to use with <code>adduser</code>/<code>login</code>.</p>
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<h4 id="cache-max"><code>cache-max</code></h4>
<ul>
<li>Default: Infinity</li>
<li>Type: Number</li>
<li>DEPRECATED: This option has been deprecated in favor of <code>--prefer-online</code></li>
</ul>
<p><code>--cache-max=0</code> is an alias for <code>--prefer-online</code></p>
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<h4 id="cache-min"><code>cache-min</code></h4>
<ul>
<li>Default: 0</li>
<li>Type: Number</li>
<li>DEPRECATED: This option has been deprecated in favor of <code>--prefer-offline</code>.</li>
</ul>
<p><code>--cache-min=9999 (or bigger)</code> is an alias for <code>--prefer-offline</code>.</p>
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<h4 id="dev"><code>dev</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
<li>DEPRECATED: Please use --include=dev instead.</li>
</ul>
<p>Alias for <code>--include=dev</code>.</p>
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<h4 id="global"><code>global</code></h4>
<ul>
<li>Default: false</li>
<li>Type: Boolean</li>
<li>DEPRECATED: <code>--global</code>, <code>--local</code> are deprecated. Use <code>--location=global</code>
instead.</li>
</ul>
<p>Operates in "global" mode, so that packages are installed into the <code>prefix</code>
folder instead of the current working directory. See
<a href="../configuring-npm/folders.html">folders</a> for more on the differences in behavior.</p>
<ul>
<li>packages are installed into the <code>{prefix}/lib/node_modules</code> folder, instead
of the current working directory.</li>
<li>bin files are linked to <code>{prefix}/bin</code></li>
<li>man pages are linked to <code>{prefix}/share/man</code></li>
</ul>
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<h4 id="initauthoremail"><code>init.author.email</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
<li>DEPRECATED: Use <code>--init-author-email</code> instead.</li>
</ul>
<p>Alias for <code>--init-author-email</code></p>
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<h4 id="initauthorname"><code>init.author.name</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: String</li>
<li>DEPRECATED: Use <code>--init-author-name</code> instead.</li>
</ul>
<p>Alias for <code>--init-author-name</code></p>
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<h4 id="initauthorurl"><code>init.author.url</code></h4>
<ul>
<li>Default: ""</li>
<li>Type: "" or URL</li>
<li>DEPRECATED: Use <code>--init-author-url</code> instead.</li>
</ul>
<p>Alias for <code>--init-author-url</code></p>
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<h4 id="initlicense"><code>init.license</code></h4>
<ul>
<li>Default: "ISC"</li>
<li>Type: String</li>
<li>DEPRECATED: Use <code>--init-license</code> instead.</li>
</ul>
<p>Alias for <code>--init-license</code></p>
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<h4 id="initmodule"><code>init.module</code></h4>
<ul>
<li>Default: "~/.npm-init.js"</li>
<li>Type: Path</li>
<li>DEPRECATED: Use <code>--init-module</code> instead.</li>
</ul>
<p>Alias for <code>--init-module</code></p>
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<h4 id="initversion"><code>init.version</code></h4>
<ul>
<li>Default: "1.0.0"</li>
<li>Type: SemVer string</li>
<li>DEPRECATED: Use <code>--init-version</code> instead.</li>
</ul>
<p>Alias for <code>--init-version</code></p>
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<h4 id="only"><code>only</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null, "prod", or "production"</li>
<li>DEPRECATED: Use <code>--omit=dev</code> to omit dev dependencies from the install.</li>
</ul>
<p>When set to <code>prod</code> or <code>production</code>, this is an alias for <code>--omit=dev</code>.</p>
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<h4 id="optional"><code>optional</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Boolean</li>
<li>DEPRECATED: Use <code>--omit=optional</code> to exclude optional dependencies, or
<code>--include=optional</code> to include them.</li>
</ul>
<p>Default value does install optional deps unless otherwise omitted.</p>
<p>Alias for --include=optional or --omit=optional</p>
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<h4 id="production"><code>production</code></h4>
<ul>
<li>Default: null</li>
<li>Type: null or Boolean</li>
<li>DEPRECATED: Use <code>--omit=dev</code> instead.</li>
</ul>
<p>Alias for <code>--omit=dev</code></p>
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<h4 id="shrinkwrap"><code>shrinkwrap</code></h4>
<ul>
<li>Default: true</li>
<li>Type: Boolean</li>
<li>DEPRECATED: Use the --package-lock setting instead.</li>
</ul>
<p>Alias for --package-lock</p>
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<h4 id="sso-poll-frequency"><code>sso-poll-frequency</code></h4>
<ul>
<li>Default: 500</li>
<li>Type: Number</li>
<li>DEPRECATED: The --auth-type method of SSO/SAML/OAuth will be removed in a
future version of npm in favor of web-based login.</li>
</ul>
<p>When used with SSO-enabled <code>auth-type</code>s, configures how regularly the
registry should be polled while the user is completing authentication.</p>
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<h4 id="sso-type"><code>sso-type</code></h4>
<ul>
<li>Default: "oauth"</li>
<li>Type: null, "oauth", or "saml"</li>
<li>DEPRECATED: The --auth-type method of SSO/SAML/OAuth will be removed in a
future version of npm in favor of web-based login.</li>
</ul>
<p>If <code>--auth-type=sso</code>, the type of SSO type to use.</p>
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<h4 id="tmp"><code>tmp</code></h4>
<ul>
<li>Default: The value returned by the Node.js <code>os.tmpdir()</code> method
<a href="https://nodejs.org/api/os.html#os_os_tmpdir">https://nodejs.org/api/os.html#os_os_tmpdir</a></li>
<li>Type: Path</li>
<li>DEPRECATED: This setting is no longer used. npm stores temporary files in a
special location in the cache, and they are managed by
<a href="http://npm.im/cacache"><code>cacache</code></a>.</li>
</ul>
<p>Historically, the location where temporary files were stored. No longer
relevant.</p>
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<h3 id="see-also">See also</h3>
<ul>
<li><a href="../commands/npm-config.html">npm config</a></li>
<li><a href="../configuring-npm/npmrc.html">npmrc</a></li>
<li><a href="../using-npm/scripts.html">npm scripts</a></li>
<li><a href="../configuring-npm/folders.html">npm folders</a></li>
<li><a href="../commands/npm.html">npm</a></li>
</ul>
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