1<!DOCTYPE html><html><head> 2<meta charset="utf-8"> 3<title>npm-prune</title> 4<style> 5body { 6 background-color: #ffffff; 7 color: #24292e; 8 9 margin: 0; 10 11 line-height: 1.5; 12 13 font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji"; 14} 15#rainbar { 16 height: 10px; 17 background-image: linear-gradient(139deg, #fb8817, #ff4b01, #c12127, #e02aff); 18} 19 20a { 21 text-decoration: none; 22 color: #0366d6; 23} 24a:hover { 25 text-decoration: underline; 26} 27 28pre { 29 margin: 1em 0px; 30 padding: 1em; 31 border: solid 1px #e1e4e8; 32 border-radius: 6px; 33 34 display: block; 35 overflow: auto; 36 37 white-space: pre; 38 39 background-color: #f6f8fa; 40 color: #393a34; 41} 42code { 43 font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace; 44 font-size: 85%; 45 padding: 0.2em 0.4em; 46 background-color: #f6f8fa; 47 color: #393a34; 48} 49pre > code { 50 padding: 0; 51 background-color: inherit; 52 color: inherit; 53} 54h1, h2, h3 { 55 font-weight: 600; 56} 57 58#logobar { 59 background-color: #333333; 60 margin: 0 auto; 61 padding: 1em 4em; 62} 63#logobar .logo { 64 float: left; 65} 66#logobar .title { 67 font-weight: 600; 68 color: #dddddd; 69 float: left; 70 margin: 5px 0 0 1em; 71} 72#logobar:after { 73 content: ""; 74 display: block; 75 clear: both; 76} 77 78#content { 79 margin: 0 auto; 80 padding: 0 4em; 81} 82 83#table_of_contents > h2 { 84 font-size: 1.17em; 85} 86#table_of_contents ul:first-child { 87 border: solid 1px #e1e4e8; 88 border-radius: 6px; 89 padding: 1em; 90 background-color: #f6f8fa; 91 color: #393a34; 92} 93#table_of_contents ul { 94 list-style-type: none; 95 padding-left: 1.5em; 96} 97#table_of_contents li { 98 font-size: 0.9em; 99} 100#table_of_contents li a { 101 color: #000000; 102} 103 104header.title { 105 border-bottom: solid 1px #e1e4e8; 106} 107header.title > h1 { 108 margin-bottom: 0.25em; 109} 110header.title > .description { 111 display: block; 112 margin-bottom: 0.5em; 113 line-height: 1; 114} 115 116footer#edit { 117 border-top: solid 1px #e1e4e8; 118 margin: 3em 0 4em 0; 119 padding-top: 2em; 120} 121</style> 122</head> 123<body> 124<div id="banner"> 125<div id="rainbar"></div> 126<div id="logobar"> 127<svg class="logo" role="img" height="32" width="32" viewBox="0 0 700 700"> 128<polygon fill="#cb0000" points="0,700 700,700 700,0 0,0"></polygon> 129<polygon fill="#ffffff" points="150,550 350,550 350,250 450,250 450,550 550,550 550,150 150,150"></polygon> 130</svg> 131<div class="title"> 132npm command-line interface 133</div> 134</div> 135</div> 136 137<section id="content"> 138<header class="title"> 139<h1 id="npm-prune">npm-prune</h1> 140<span class="description">Remove extraneous packages</span> 141</header> 142 143<section id="table_of_contents"> 144<h2 id="table-of-contents">Table of contents</h2> 145<div id="_table_of_contents"><ul><li><a href="#synopsis">Synopsis</a></li><li><a href="#description">Description</a></li><li><a href="#configuration">Configuration</a></li><ul><li><a href="#omit"><code>omit</code></a></li><li><a href="#include"><code>include</code></a></li><li><a href="#dry-run"><code>dry-run</code></a></li><li><a href="#json"><code>json</code></a></li><li><a href="#foreground-scripts"><code>foreground-scripts</code></a></li><li><a href="#ignore-scripts"><code>ignore-scripts</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><li><a href="#install-links"><code>install-links</code></a></li></ul><li><a href="#see-also">See Also</a></li></ul></div> 146</section> 147 148<div id="_content"><h3 id="synopsis">Synopsis</h3> 149<pre><code class="language-bash">npm prune [[<@scope>/]<pkg>...] 150</code></pre> 151<h3 id="description">Description</h3> 152<p>This command removes "extraneous" packages. If a package name is provided, 153then only packages matching one of the supplied names are removed.</p> 154<p>Extraneous packages are those present in the <code>node_modules</code> folder that are 155not listed as any package's dependency list.</p> 156<p>If the <code>--omit=dev</code> flag is specified or the <code>NODE_ENV</code> environment 157variable is set to <code>production</code>, this command will remove the packages 158specified in your <code>devDependencies</code>.</p> 159<p>If the <code>--dry-run</code> flag is used then no changes will actually be made.</p> 160<p>If the <code>--json</code> flag is used, then the changes <code>npm prune</code> made (or would 161have made with <code>--dry-run</code>) are printed as a JSON object.</p> 162<p>In normal operation, extraneous modules are pruned automatically, so you'll 163only need this command with the <code>--production</code> flag. However, in the real 164world, operation is not always "normal". When crashes or mistakes happen, 165this command can help clean up any resulting garbage.</p> 166<h3 id="configuration">Configuration</h3> 167<h4 id="omit"><code>omit</code></h4> 168<ul> 169<li>Default: 'dev' if the <code>NODE_ENV</code> environment variable is set to 170'production', otherwise empty.</li> 171<li>Type: "dev", "optional", or "peer" (can be set multiple times)</li> 172</ul> 173<p>Dependency types to omit from the installation tree on disk.</p> 174<p>Note that these dependencies <em>are</em> still resolved and added to the 175<code>package-lock.json</code> or <code>npm-shrinkwrap.json</code> file. They are just not 176physically installed on disk.</p> 177<p>If a package type appears in both the <code>--include</code> and <code>--omit</code> lists, then 178it will be included.</p> 179<p>If the resulting omit list includes <code>'dev'</code>, then the <code>NODE_ENV</code> environment 180variable will be set to <code>'production'</code> for all lifecycle scripts.</p> 181<h4 id="include"><code>include</code></h4> 182<ul> 183<li>Default:</li> 184<li>Type: "prod", "dev", "optional", or "peer" (can be set multiple times)</li> 185</ul> 186<p>Option that allows for defining which types of dependencies to install.</p> 187<p>This is the inverse of <code>--omit=<type></code>.</p> 188<p>Dependency types specified in <code>--include</code> will not be omitted, regardless of 189the order in which omit/include are specified on the command-line.</p> 190<h4 id="dry-run"><code>dry-run</code></h4> 191<ul> 192<li>Default: false</li> 193<li>Type: Boolean</li> 194</ul> 195<p>Indicates that you don't want npm to make any changes and that it should 196only report what it would have done. This can be passed into any of the 197commands that modify your local installation, eg, <code>install</code>, <code>update</code>, 198<code>dedupe</code>, <code>uninstall</code>, as well as <code>pack</code> and <code>publish</code>.</p> 199<p>Note: This is NOT honored by other network related commands, eg <code>dist-tags</code>, 200<code>owner</code>, etc.</p> 201<h4 id="json"><code>json</code></h4> 202<ul> 203<li>Default: false</li> 204<li>Type: Boolean</li> 205</ul> 206<p>Whether or not to output JSON data, rather than the normal output.</p> 207<ul> 208<li>In <code>npm pkg set</code> it enables parsing set values with JSON.parse() before 209saving them to your <code>package.json</code>.</li> 210</ul> 211<p>Not supported by all npm commands.</p> 212<h4 id="foreground-scripts"><code>foreground-scripts</code></h4> 213<ul> 214<li>Default: <code>false</code> unless when using <code>npm pack</code> or <code>npm publish</code> where it 215defaults to <code>true</code></li> 216<li>Type: Boolean</li> 217</ul> 218<p>Run all build scripts (ie, <code>preinstall</code>, <code>install</code>, and <code>postinstall</code>) 219scripts for installed packages in the foreground process, sharing standard 220input, output, and error with the main npm process.</p> 221<p>Note that this will generally make installs run slower, and be much noisier, 222but can be useful for debugging.</p> 223<h4 id="ignore-scripts"><code>ignore-scripts</code></h4> 224<ul> 225<li>Default: false</li> 226<li>Type: Boolean</li> 227</ul> 228<p>If true, npm does not run scripts specified in package.json files.</p> 229<p>Note that commands explicitly intended to run a particular script, such as 230<code>npm start</code>, <code>npm stop</code>, <code>npm restart</code>, <code>npm test</code>, and <code>npm run-script</code> 231will still run their intended script if <code>ignore-scripts</code> is set, but they 232will <em>not</em> run any pre- or post-scripts.</p> 233<h4 id="workspace"><code>workspace</code></h4> 234<ul> 235<li>Default:</li> 236<li>Type: String (can be set multiple times)</li> 237</ul> 238<p>Enable running a command in the context of the configured workspaces of the 239current project while filtering by running only the workspaces defined by 240this configuration option.</p> 241<p>Valid values for the <code>workspace</code> config are either:</p> 242<ul> 243<li>Workspace names</li> 244<li>Path to a workspace directory</li> 245<li>Path to a parent workspace directory (will result in selecting all 246workspaces within that folder)</li> 247</ul> 248<p>When set for the <code>npm init</code> command, this may be set to the folder of a 249workspace which does not yet exist, to create the folder and set it up as a 250brand new workspace within the project.</p> 251<p>This value is not exported to the environment for child processes.</p> 252<h4 id="workspaces"><code>workspaces</code></h4> 253<ul> 254<li>Default: null</li> 255<li>Type: null or Boolean</li> 256</ul> 257<p>Set to true to run the command in the context of <strong>all</strong> configured 258workspaces.</p> 259<p>Explicitly setting this to false will cause commands like <code>install</code> to 260ignore workspaces altogether. When not set explicitly:</p> 261<ul> 262<li>Commands that operate on the <code>node_modules</code> tree (install, update, etc.) 263will link workspaces into the <code>node_modules</code> folder. - Commands that do 264other things (test, exec, publish, etc.) will operate on the root project, 265<em>unless</em> one or more workspaces are specified in the <code>workspace</code> config.</li> 266</ul> 267<p>This value is not exported to the environment for child processes.</p> 268<h4 id="include-workspace-root"><code>include-workspace-root</code></h4> 269<ul> 270<li>Default: false</li> 271<li>Type: Boolean</li> 272</ul> 273<p>Include the workspace root when workspaces are enabled for a command.</p> 274<p>When false, specifying individual workspaces via the <code>workspace</code> config, or 275all workspaces via the <code>workspaces</code> flag, will cause npm to operate only on 276the specified workspaces, and not on the root project.</p> 277<p>This value is not exported to the environment for child processes.</p> 278<h4 id="install-links"><code>install-links</code></h4> 279<ul> 280<li>Default: false</li> 281<li>Type: Boolean</li> 282</ul> 283<p>When set file: protocol dependencies will be packed and installed as regular 284dependencies instead of creating a symlink. This option has no effect on 285workspaces.</p> 286<h3 id="see-also">See Also</h3> 287<ul> 288<li><a href="../commands/npm-uninstall.html">npm uninstall</a></li> 289<li><a href="../configuring-npm/folders.html">npm folders</a></li> 290<li><a href="../commands/npm-ls.html">npm ls</a></li> 291</ul></div> 292 293<footer id="edit"> 294<a href="https://github.com/npm/cli/edit/latest/docs/content/commands/npm-prune.md"> 295<svg role="img" viewBox="0 0 16 16" width="16" height="16" fill="currentcolor" style="vertical-align: text-bottom; margin-right: 0.3em;"> 296<path fill-rule="evenodd" d="M11.013 1.427a1.75 1.75 0 012.474 0l1.086 1.086a1.75 1.75 0 010 2.474l-8.61 8.61c-.21.21-.47.364-.756.445l-3.251.93a.75.75 0 01-.927-.928l.929-3.25a1.75 1.75 0 01.445-.758l8.61-8.61zm1.414 1.06a.25.25 0 00-.354 0L10.811 3.75l1.439 1.44 1.263-1.263a.25.25 0 000-.354l-1.086-1.086zM11.189 6.25L9.75 4.81l-6.286 6.287a.25.25 0 00-.064.108l-.558 1.953 1.953-.558a.249.249 0 00.108-.064l6.286-6.286z"></path> 297</svg> 298Edit this page on GitHub 299</a> 300</footer> 301</section> 302 303 304 305</body></html>