474 lines
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474 lines
19 KiB
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npm command-line interface
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</div>
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<section id="content">
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<header class="title">
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<h1 id="npm-update">npm-update</h1>
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<span class="description">Update packages</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><li><a href="#example">Example</a></li><ul><li><a href="#caret-dependencies">Caret Dependencies</a></li><li><a href="#tilde-dependencies">Tilde Dependencies</a></li><li><a href="#caret-dependencies-below-100">Caret Dependencies below 1.0.0</a></li><li><a href="#subdependencies">Subdependencies</a></li><li><a href="#updating-globally-installed-packages">Updating Globally-Installed Packages</a></li></ul><li><a href="#configuration">Configuration</a></li><ul><li><a href="#global"><code>global</code></a></li><li><a href="#global-style"><code>global-style</code></a></li><li><a href="#legacy-bundling"><code>legacy-bundling</code></a></li><li><a href="#strict-peer-deps"><code>strict-peer-deps</code></a></li><li><a href="#package-lock"><code>package-lock</code></a></li><li><a href="#omit"><code>omit</code></a></li><li><a href="#ignore-scripts"><code>ignore-scripts</code></a></li><li><a href="#audit"><code>audit</code></a></li><li><a href="#bin-links"><code>bin-links</code></a></li><li><a href="#fund"><code>fund</code></a></li><li><a href="#dry-run"><code>dry-run</code></a></li><li><a href="#workspace"><code>workspace</code></a></li><li><a href="#workspaces"><code>workspaces</code></a></li><li><a href="#include-workspace-root"><code>include-workspace-root</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 lang="bash"><code>npm update [-g] [<pkg>...]
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aliases: up, upgrade
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</code></pre>
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<h3 id="description">Description</h3>
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<p>This command will update all the packages listed to the latest version
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(specified by the <code>tag</code> config), respecting the semver constraints of
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both your package and its dependencies (if they also require the same
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package).</p>
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<p>It will also install missing packages.</p>
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<p>If the <code>-g</code> flag is specified, this command will update globally installed
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packages.</p>
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<p>If no package name is specified, all packages in the specified location (global
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or local) will be updated.</p>
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<p>Note that by default <code>npm update</code> will not update the semver values of direct
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dependencies in your project <code>package.json</code>, if you want to also update
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values in <code>package.json</code> you can run: <code>npm update --save</code> (or add the
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<code>save=true</code> option to a <a href="../configuring-npm/npmrc.html">configuration file</a>
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to make that the default behavior).</p>
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<h3 id="example">Example</h3>
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<p>For the examples below, assume that the current package is <code>app</code> and it depends
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on dependencies, <code>dep1</code> (<code>dep2</code>, .. etc.). The published versions of <code>dep1</code>
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are:</p>
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<pre lang="json"><code>{
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"dist-tags": { "latest": "1.2.2" },
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"versions": [
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"1.2.2",
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"1.2.1",
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"1.2.0",
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"1.1.2",
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"1.1.1",
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"1.0.0",
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"0.4.1",
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"0.4.0",
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"0.2.0"
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]
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}
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</code></pre>
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<h4 id="caret-dependencies">Caret Dependencies</h4>
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<p>If <code>app</code>'s <code>package.json</code> contains:</p>
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<pre lang="json"><code>"dependencies": {
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"dep1": "^1.1.1"
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}
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</code></pre>
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<p>Then <code>npm update</code> will install <code>dep1@1.2.2</code>, because <code>1.2.2</code> is <code>latest</code> and
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<code>1.2.2</code> satisfies <code>^1.1.1</code>.</p>
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<h4 id="tilde-dependencies">Tilde Dependencies</h4>
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<p>However, if <code>app</code>'s <code>package.json</code> contains:</p>
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<pre lang="json"><code>"dependencies": {
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"dep1": "~1.1.1"
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}
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</code></pre>
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<p>In this case, running <code>npm update</code> will install <code>dep1@1.1.2</code>. Even though the
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<code>latest</code> tag points to <code>1.2.2</code>, this version do not satisfy <code>~1.1.1</code>, which is
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equivalent to <code>>=1.1.1 <1.2.0</code>. So the highest-sorting version that satisfies
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<code>~1.1.1</code> is used, which is <code>1.1.2</code>.</p>
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<h4 id="caret-dependencies-below-100">Caret Dependencies below 1.0.0</h4>
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<p>Suppose <code>app</code> has a caret dependency on a version below <code>1.0.0</code>, for example:</p>
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<pre lang="json"><code>"dependencies": {
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"dep1": "^0.2.0"
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}
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</code></pre>
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<p><code>npm update</code> will install <code>dep1@0.2.0</code>, because there are no other
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versions which satisfy <code>^0.2.0</code>.</p>
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<p>If the dependence were on <code>^0.4.0</code>:</p>
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<pre lang="json"><code>"dependencies": {
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"dep1": "^0.4.0"
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}
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</code></pre>
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<p>Then <code>npm update</code> will install <code>dep1@0.4.1</code>, because that is the highest-sorting
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version that satisfies <code>^0.4.0</code> (<code>>= 0.4.0 <0.5.0</code>)</p>
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<h4 id="subdependencies">Subdependencies</h4>
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<p>Suppose your app now also has a dependency on <code>dep2</code></p>
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<pre lang="json"><code>{
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"name": "my-app",
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"dependencies": {
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"dep1": "^1.0.0",
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"dep2": "1.0.0"
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}
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}
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</code></pre>
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<p>and <code>dep2</code> itself depends on this limited range of <code>dep1</code></p>
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<pre lang="json"><code>{
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"name": "dep2",
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"dependencies": {
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"dep1": "~1.1.1"
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}
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}
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</code></pre>
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<p>Then <code>npm update</code> will install <code>dep1@1.1.2</code> because that is the highest
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version that <code>dep2</code> allows. npm will prioritize having a single version
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of <code>dep1</code> in your tree rather than two when that single version can
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satisfy the semver requirements of multiple dependencies in your tree.
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In this case if you really did need your package to use a newer version
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you would need to use <code>npm install</code>.</p>
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<h4 id="updating-globally-installed-packages">Updating Globally-Installed Packages</h4>
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<p><code>npm update -g</code> will apply the <code>update</code> action to each globally installed
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package that is <code>outdated</code> -- that is, has a version that is different from
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<code>wanted</code>.</p>
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<p>Note: Globally installed packages are treated as if they are installed with a
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caret semver range specified. So if you require to update to <code>latest</code> you may
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need to run <code>npm install -g [<pkg>...]</code></p>
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<p>NOTE: If a package has been upgraded to a version newer than <code>latest</code>, it will
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be <em>downgraded</em>.</p>
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<h3 id="configuration">Configuration</h3>
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<h4 id="global"><code>global</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>Operates in "global" mode, so that packages are installed into the <code>prefix</code>
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folder instead of the current working directory. See
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<a href="../configuring-npm/folders.html">folders</a> for more on the differences in behavior.</p>
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<ul>
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<li>packages are installed into the <code>{prefix}/lib/node_modules</code> folder, instead
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of the current working directory.</li>
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<li>bin files are linked to <code>{prefix}/bin</code></li>
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<li>man pages are linked to <code>{prefix}/share/man</code></li>
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<h4 id="global-style"><code>global-style</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>Causes npm to install the package into your local <code>node_modules</code> folder with
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the same layout it uses with the global <code>node_modules</code> folder. Only your
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direct dependencies will show in <code>node_modules</code> and everything they depend
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on will be flattened in their <code>node_modules</code> folders. This obviously will
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eliminate some deduping. If used with <code>legacy-bundling</code>, <code>legacy-bundling</code>
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will be preferred.</p>
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<h4 id="legacy-bundling"><code>legacy-bundling</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>Causes npm to install the package such that versions of npm prior to 1.4,
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such as the one included with node 0.8, can install the package. This
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eliminates all automatic deduping. If used with <code>global-style</code> this option
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will be preferred.</p>
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<h4 id="strict-peer-deps"><code>strict-peer-deps</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>If set to <code>true</code>, and <code>--legacy-peer-deps</code> is not set, then <em>any</em>
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conflicting <code>peerDependencies</code> will be treated as an install failure, even
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if npm could reasonably guess the appropriate resolution based on non-peer
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dependency relationships.</p>
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<p>By default, conflicting <code>peerDependencies</code> deep in the dependency graph will
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be resolved using the nearest non-peer dependency specification, even if
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doing so will result in some packages receiving a peer dependency outside
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the range set in their package's <code>peerDependencies</code> object.</p>
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<p>When such and override is performed, a warning is printed, explaining the
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conflict and the packages involved. If <code>--strict-peer-deps</code> is set, then
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this warning is treated as a failure.</p>
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<h4 id="package-lock"><code>package-lock</code></h4>
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<ul>
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<li>Default: true</li>
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<li>Type: Boolean</li>
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</ul>
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<p>If set to false, then ignore <code>package-lock.json</code> files when installing. This
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will also prevent <em>writing</em> <code>package-lock.json</code> if <code>save</code> is true.</p>
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<p>When package package-locks are disabled, automatic pruning of extraneous
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modules will also be disabled. To remove extraneous modules with
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package-locks disabled use <code>npm prune</code>.</p>
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<h4 id="omit"><code>omit</code></h4>
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<ul>
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<li>Default: 'dev' if the <code>NODE_ENV</code> environment variable is set to
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'production', otherwise empty.</li>
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<li>Type: "dev", "optional", or "peer" (can be set multiple times)</li>
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</ul>
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<p>Dependency types to omit from the installation tree on disk.</p>
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<p>Note that these dependencies <em>are</em> still resolved and added to the
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<code>package-lock.json</code> or <code>npm-shrinkwrap.json</code> file. They are just not
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physically installed on disk.</p>
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<p>If a package type appears in both the <code>--include</code> and <code>--omit</code> lists, then
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it will be included.</p>
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<p>If the resulting omit list includes <code>'dev'</code>, then the <code>NODE_ENV</code> environment
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variable will be set to <code>'production'</code> for all lifecycle scripts.</p>
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<h4 id="ignore-scripts"><code>ignore-scripts</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>If true, npm does not run scripts specified in package.json files.</p>
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<p>Note that commands explicitly intended to run a particular script, such as
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<code>npm start</code>, <code>npm stop</code>, <code>npm restart</code>, <code>npm test</code>, and <code>npm run-script</code>
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will still run their intended script if <code>ignore-scripts</code> is set, but they
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will <em>not</em> run any pre- or post-scripts.</p>
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<h4 id="audit"><code>audit</code></h4>
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<ul>
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<li>Default: true</li>
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<li>Type: Boolean</li>
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</ul>
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<p>When "true" submit audit reports alongside the current npm command to the
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default registry and all registries configured for scopes. See the
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documentation for <a href="../commands/npm-audit.html"><code>npm audit</code></a> for details on what is
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submitted.</p>
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<h4 id="bin-links"><code>bin-links</code></h4>
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<ul>
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<li>Default: true</li>
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<li>Type: Boolean</li>
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</ul>
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<p>Tells npm to create symlinks (or <code>.cmd</code> shims on Windows) for package
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executables.</p>
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<p>Set to false to have it not do this. This can be used to work around the
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fact that some file systems don't support symlinks, even on ostensibly Unix
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systems.</p>
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<h4 id="fund"><code>fund</code></h4>
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<ul>
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<li>Default: true</li>
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<li>Type: Boolean</li>
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</ul>
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<p>When "true" displays the message at the end of each <code>npm install</code>
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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="dry-run"><code>dry-run</code></h4>
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<ul>
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<li>Default: false</li>
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<li>Type: Boolean</li>
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</ul>
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<p>Indicates that you don't want npm to make any changes and that it should
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only report what it would have done. This can be passed into any of the
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commands that modify your local installation, eg, <code>install</code>, <code>update</code>,
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<code>dedupe</code>, <code>uninstall</code>, as well as <code>pack</code> and <code>publish</code>.</p>
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<p>Note: This is NOT honored by other network related commands, eg <code>dist-tags</code>,
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<code>owner</code>, etc.</p>
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<h4 id="workspace"><code>workspace</code></h4>
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<ul>
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<li>Default:</li>
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<li>Type: String (can be set multiple times)</li>
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</ul>
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<p>Enable running a command in the context of the configured workspaces of the
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current project while filtering by running only the workspaces defined by
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this configuration option.</p>
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<p>Valid values for the <code>workspace</code> config are either:</p>
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<ul>
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<li>Workspace names</li>
|
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<li>Path to a workspace directory</li>
|
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<li>Path to a parent workspace directory (will result in selecting all
|
|
workspaces within that folder)</li>
|
|
</ul>
|
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<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>
|
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<p>This value is not exported to the environment for child processes.</p>
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<h4 id="workspaces"><code>workspaces</code></h4>
|
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<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="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>
|
|
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|
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<h3 id="see-also">See Also</h3>
|
|
<ul>
|
|
<li><a href="../commands/npm-install.html">npm install</a></li>
|
|
<li><a href="../commands/npm-outdated.html">npm outdated</a></li>
|
|
<li><a href="../commands/npm-shrinkwrap.html">npm shrinkwrap</a></li>
|
|
<li><a href="../using-npm/registry.html">npm registry</a></li>
|
|
<li><a href="../configuring-npm/folders.html">npm folders</a></li>
|
|
<li><a href="../commands/npm-ls.html">npm ls</a></li>
|
|
</ul>
|
|
</div>
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