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Bower — a package manager for the web

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While Bower is maintained, we recommend using <a href="https://yarnpkg.com/">Yarn</a> and <a href="https://vitejs.dev/">Vite</a> for front-end projects. <a href="https://bower.io/blog/2017/how-to-migrate-away-from-bower/">Read how to migrate</a>! </div> <div id="content"> <div class="container"> <div class="btn menu-btn">Menu</div> <div class="sidebar"> <ul class="docs-nav nav"> <li class="nav-home"><a href="/">Home</a></li> <li class="nav-creating"><a href="/docs/creating-packages/">Creating Packages</a></li> <li class="nav-api"><a href="/docs/api/">API</a></li> <li class="nav-config"><a href="/docs/config/">Configuration</a></li> <li class="nav-config"><a href="/docs/pluggable-resolvers/">Pluggable Resolvers</a></li> <li class="nav-tools"><a href="/docs/tools/">Tools</a></li> <li class="nav-about"><a href="/docs/about/">About</a></li> </ul> <h5>Sponsors (<a href="https://opencollective.com/bower">become one</a>):</h5> <a rel="sponsored" href="https://www.instinctools.com/cloud-computing/"><img class="sidebar-logo" src="https://i.imgur.com/c56Di42.png" alt="*instinctools" /></a> <a rel="sponsored" href="https://420couponcodes.com/"><img class="sidebar-logo" src="https://i.imgur.com/IbhCD2k.png" alt="420couponcodes.com" /></a> <a rel="sponsored" href="https://www.credimaxx.de/"><img class="sidebar-logo" src="https://i.imgur.com/sf5e7KT.png" alt="credimaxx.de" /></a> <a rel="sponsored" href="https://www.ramotion.com/agency/web-design/"><img class="sidebar-logo" src="https://i.imgur.com/mQxmvRm.png" alt="Ramotion" /></a> <a rel="sponsored" href="https://www.softwaredevelopment.co.uk/"><img class="sidebar-logo" src="https://i.imgur.com/HoU15ep.png" alt="SoftwareDevelopmentUK" /></a> <a rel="sponsored" href="https://theymakedesign.com/best-web-design-companies-3ecc85b32071"><img class="sidebar-logo" src="https://i.imgur.com/kfA0vQE.png" alt="theymakedesign.com" /></a> <a rel="sponsored" href="https://www.top5credits.com/"><img class="sidebar-logo" src="https://i.imgur.com/K2EU3HD.png" alt="top5credits.com" /></a> <a rel="sponsored" href="https://www.cryptonewsz.com/"><img class="sidebar-logo" src="https://i.imgur.com/sYNDuyj.png" alt="CryptoNewsZ" /></a> <a rel="sponsored" href="https://legalbet.uk/"><img class="sidebar-logo" src="https://i.imgur.com/2qQ6Gxf.png" alt="Legalbet" /></a> <a rel="sponsored" href="https://route4me.com/"><img class="sidebar-logo" src="https://i.imgur.com/g5LeC9Q.png" alt="Route4Me Route Planner" /></a> <a rel="sponsored" href="https://www.synetec.co.uk/"><img class="sidebar-logo" src="https://i.imgur.com/FatvhBy.png" alt="Synetec" /></a> <a rel="sponsored" href="https://fitclubfinder.com/"><img class="sidebar-logo" src="https://i.imgur.com/wEp91FC.png" alt="FitclubFinder" /></a> <a rel="sponsored" href="https://sprocketdigital.co.nz/"><img class="sidebar-logo" src="https://i.imgur.com/koJsb0d.png" alt="Matthew Chalk" /></a> <a rel="sponsored" href="https://vpn-review.com/"><img class="sidebar-logo" src="https://i.imgur.com/INf1G7H.png" alt="VPN reviews 2019" /></a> <a rel="sponsored" href="https://faveable.com/"><img class="sidebar-logo" src="https://i.imgur.com/PMqdGyT.png" alt="Faveable" /></a> <a rel="sponsored" href="https://iboysoft.com"><img class="sidebar-logo" src="https://i.imgur.com/eOWcxUr.png" alt="iBoysoft" /></a> <a rel="sponsored" href="https://webpundits.in"><img class="sidebar-logo" src="https://i.imgur.com/IVgnquz.png" alt="Buy RDP online from Web Pundits" /></a> <ul class="extra-nav nav"> <li><a href="https://github.com/bower/bower"> <svg class="extra-nav-icon"> <use xlink:href="#symbol-github-logo"></use> </svg> Bower on GitHub </a></li> <li><a href="https://twitter.com/bower"> <svg class="extra-nav-icon"> <use xlink:href="#symbol-twitter-logo"></use> </svg> @bower </a></li> </ul> </div> <div class="main"> <p class="lead">Web sites are made of lots of things — frameworks, libraries, assets, and utilities. Bower manages all these things for you.</p> <p>Keeping track of all these packages and making sure they are up to date (or set to the specific versions you need) is tricky. Bower to the rescue!</p> <p>Bower can manage components that contain HTML, CSS, JavaScript, fonts or even image files. Bower doesn’t concatenate or minify code or do anything else - it just installs the right versions of the packages you need and their dependencies.</p> <p>To <a href="#getting-started">get started</a>, Bower works by fetching and installing <a href="/search">packages</a> from all over, taking care of hunting, finding, downloading, and saving the stuff you’re looking for. Bower keeps track of these packages in a manifest file, <a href="/docs/creating-packages/#bowerjson"><code class="highlighter-rouge">bower.json</code></a>. How you use <a href="/search">packages</a> is up to you. Bower provides hooks to facilitate using packages in your <a href="/docs/tools">tools and workflows</a>.</p> <p>Bower is optimized for the front-end. If multiple packages depend on a package - jQuery for example - Bower will download jQuery just once. This is known as a flat dependency graph and it helps reduce page load.</p> <h2 id="install-bower">Install Bower</h2> <p>Bower is a command line utility. Install it with npm.</p> <figure class="highlight"><pre><code class="language-bash" data-lang="bash"><span class="nv">$ </span>npm <span class="nb">install</span> <span class="nt">-g</span> bower</code></pre></figure> <p>Bower requires <a href="http://nodejs.org/">node, npm</a> and <a href="http://git-scm.org">git</a>.</p> <p>Latest release: <a href=""><img src="https://img.shields.io/npm/v/bower.svg?maxAge=2592000" alt="bower version" /></a></p> <p>For troubleshooting installation on different platforms, read the <a href="https://github.com/bower/bower/wiki/Troubleshooting">troubleshooting</a> wiki page.</p> <h2 id="getting-started">Getting started</h2> <h3 id="install-packages">Install packages</h3> <p>Install packages with <a href="/docs/api#install"><code class="highlighter-rouge">bower install</code></a>. Bower installs packages to <code class="highlighter-rouge">bower_components/</code>.</p> <figure class="highlight"><pre><code class="language-bash" data-lang="bash"><span class="nv">$ </span>bower <span class="nb">install</span> &lt;package&gt;</code></pre></figure> <p>A package can be a GitHub shorthand, a Git endpoint, a URL, and more. Read more about <a href="/docs/api/#install"><code class="highlighter-rouge">bower install</code></a>.</p> <figure class="highlight"><pre><code class="language-bash" data-lang="bash"><span class="c"># installs the project dependencies listed in bower.json</span> <span class="nv">$ </span>bower <span class="nb">install</span> <span class="c"># registered package</span> <span class="nv">$ </span>bower <span class="nb">install </span>jquery <span class="c"># GitHub shorthand</span> <span class="nv">$ </span>bower <span class="nb">install </span>desandro/masonry <span class="c"># Git endpoint</span> <span class="nv">$ </span>bower <span class="nb">install </span>git://github.com/user/package.git <span class="c"># URL</span> <span class="nv">$ </span>bower <span class="nb">install </span>http://example.com/script.js</code></pre></figure> <h3 id="search-packages">Search packages</h3> <p><a href="/search">Search Bower packages</a> and find the registered package names for your favorite projects.</p> <h3 id="save-packages">Save packages</h3> <p>Create a <code class="highlighter-rouge">bower.json</code> file for your package with <a href="/docs/creating-packages/#bowerjson"><code class="highlighter-rouge">bower init</code></a>.</p> <p>Then save new dependencies to your <code class="highlighter-rouge">bower.json</code> with <code class="highlighter-rouge">bower install PACKAGE --save</code></p> <h3 id="use-packages">Use packages</h3> <p>How you use packages is up to you. We recommend you use Bower together with <a href="/docs/tools/">Grunt, RequireJS, Yeoman, and lots of other tools</a> or build your own workflow with <a href="/docs/api/">the API</a>. You can also use the installed packages directly, like this, in the case of <code class="highlighter-rouge">jquery</code>:</p> <figure class="highlight"><pre><code class="language-html" data-lang="html"><span class="nt">&lt;script </span><span class="na">src=</span><span class="s">"bower_components/jquery/dist/jquery.min.js"</span><span class="nt">&gt;&lt;/script&gt;</span></code></pre></figure> <h2 id="twitter-updates-from-bower">Twitter updates from <a href="https://twitter.com/bower">@bower</a></h2> <p><a class="twitter-timeline" href="https://twitter.com/bower?ref_src=twsrc%5Etfw">Tweets by bower</a> <script async="" src="https://platform.twitter.com/widgets.js" charset="utf-8"></script></p> <footer class="site-footer"> <p class="issue"><a href="https://github.com/bower/bower.github.io/issues">Help improve these docs. 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