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<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Available Scripts · Create React App</title><meta name="viewport" content="width=device-width"/><meta name="generator" content="Docusaurus"/><meta name="description" content="<p>In the project directory, you can run:</p>
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"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Available Scripts · Create React App"/><meta property="og:type" content="website"/><meta property="og:url" content="https://create-react-app.dev/index.html"/><meta property="og:description" content="<p>In the project directory, you can run:</p>
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fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/proxying-api-requests-in-development">Proxying in Development</a></li><li class="navListItem"><a class="navItem" href="/docs/fetching-data-with-ajax-requests">Fetching Data</a></li><li class="navListItem"><a class="navItem" href="/docs/integrating-with-an-api-backend">Integrating with an API</a></li><li class="navListItem"><a class="navItem" href="/docs/title-and-meta-tags">Title & Meta Tags</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">Deployment<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/deployment">Deployment</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">Advanced Usage<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul class="hide"><li class="navListItem"><a class="navItem" href="/docs/can-i-use-decorators">Can I Use Decorators?</a></li><li class="navListItem"><a class="navItem" href="/docs/pre-rendering-into-static-html-files">Pre-Rendering Static HTML</a></li><li class="navListItem"><a class="navItem" href="/docs/advanced-configuration">Advanced Configuration</a></li><li class="navListItem"><a class="navItem" href="/docs/alternatives-to-ejecting">Alternatives to Ejecting</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle collapsible">Support<span class="arrow"><svg width="24" height="24" viewBox="0 0 24 24"><path fill="#565656" d="M7.41 15.41L12 10.83l4.59 4.58L18 14l-6-6-6 6z"></path><path d="M0 0h24v24H0z" fill="none"></path></svg></span></h3><ul 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</script></nav></div><div class="container mainContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/facebook/create-react-app/edit/master/docusaurus/docs/available-scripts.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 class="postHeaderTitle">Available Scripts</h1></header><article><div><span><p>In the project directory, you can run:</p>
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<h2><a class="anchor" aria-hidden="true" id="npm-start"></a><a href="#npm-start" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>npm start</code></h2>
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<p>Runs the app in the development mode. Open <a href="http://localhost:3000">http://localhost:3000</a> to view it in the browser.</p>
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<p>The page will reload if you make edits. You will also see any lint errors in the console.</p>
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<h2><a class="anchor" aria-hidden="true" id="npm-test"></a><a href="#npm-test" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>npm test</code></h2>
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<p>Launches the test runner in the interactive watch mode. See the section about <a href="/docs/running-tests">running tests</a> for more information.</p>
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<h2><a class="anchor" aria-hidden="true" id="npm-run-build"></a><a href="#npm-run-build" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>npm run build</code></h2>
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<p>Builds the app for production to the <code>build</code> folder. It correctly bundles React in production mode and optimizes the build for the best performance.</p>
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<p>The build is minified and the filenames include the hashes. See the <a href="/docs/production-build">production build</a> section for more information.</p>
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<p>Your app is ready to be deployed! See the section about <a href="/docs/deployment">deployment</a> for more information about deploying your application to popular hosting providers.</p>
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<h2><a class="anchor" aria-hidden="true" id="npm-run-eject"></a><a href="#npm-run-eject" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>npm run eject</code></h2>
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<p><strong>Note: this is a one-way operation. Once you <code>eject</code>, you can’t go back!</strong></p>
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<p>If you aren’t satisfied with the build tool and configuration choices, you can <code>eject</code> at any time. This command will remove the single build dependency from your project.</p>
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<p>Instead, it will copy all the configuration files and the transitive dependencies (Webpack, Babel, ESLint, etc.) into your project as dependencies in <code>package.json</code>. Technically, the distinction between dependencies and development dependencies is pretty arbitrary for front-end apps that produce static bundles.</p>
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<p>In addition, it used to cause problems with some hosting platforms that didn't install development dependencies (and thus weren't able to build the project on the server or test it right before deployment). You are free to rearrange your dependencies in <code>package.json</code> as you see fit.</p>
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<p>All of the commands except <code>eject</code> will still work, but they will point to the copied scripts so you can tweak them. At this point you’re on your own.</p>
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<p>You don’t have to ever use <code>eject</code>. The curated feature set is suitable for small and middle deployments, and you shouldn’t feel obligated to use this feature. However we understand that this tool wouldn’t be useful if you couldn’t customize it when you are ready for it.</p>
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</span></div></article></div><div class="docLastUpdate"><em>Last updated on 4/3/2019 by Mike Perry Y Attara</em></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/folder-structure"><span class="arrow-prev">← </span><span>Folder Structure</span></a><a class="docs-next button" href="/docs/supported-browsers-features"><span>Supported Browsers and Features</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#npm-start"><code>npm start</code></a></li><li><a href="#npm-test"><code>npm test</code></a></li><li><a href="#npm-run-build"><code>npm run build</code></a></li><li><a href="#npm-run-eject"><code>npm run eject</code></a></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/logo.svg" alt="Create React App" width="66" height="58"/></a><div><h5>Docs</h5><a href="/docs/getting-started">Get Started</a><a href="https://reactjs.org/" target="_blank" rel="noreferrer noopener">Learn React</a></div><div><h5>Community</h5><a href="https://stackoverflow.com/questions/tagged/create-react-app" target="_blank" rel="noreferrer noopener">Stack Overflow</a><a href="https://spectrum.chat/create-react-app" target="_blank" rel="noreferrer noopener">Spectrum</a><a href="https://twitter.com/reactjs" target="_blank" rel="noreferrer noopener">Twitter</a></div><div><h5>More</h5><a href="https://www.github.com/facebook/create-react-app">GitHub</a><a class="github-button" href="https://github.com/facebook/create-react-app" data-icon="octicon-star" data-count-href="/facebook/create-react-app/stargazers" data-show-count="true" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" rel="noreferrer noopener" class="fbOpenSource"><img src="/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2019 Facebook Inc.</section></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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