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<title data-rh="true">datahub-web-react | DataHub</title><meta data-rh="true" name="viewport" content="width=device-width,initial-scale=1"><meta data-rh="true" name="twitter:card" content="summary_large_image"><meta data-rh="true" property="og:url" content="https://docs.datahub.com/docs/datahub-web-react"><meta data-rh="true" name="docusaurus_locale" content="en"><meta data-rh="true" name="docsearch:language" content="en"><meta data-rh="true" name="docusaurus_version" content="current"><meta data-rh="true" name="docusaurus_tag" content="docs-default-current"><meta data-rh="true" name="docsearch:version" content="current"><meta data-rh="true" name="docsearch:docusaurus_tag" content="docs-default-current"><meta data-rh="true" property="og:title" content="datahub-web-react | DataHub"><meta data-rh="true" name="description" content="About"><meta data-rh="true" property="og:description" content="About"><link data-rh="true" rel="icon" href="/img/favicon.ico"><link data-rh="true" rel="canonical" href="https://docs.datahub.com/docs/datahub-web-react"><link data-rh="true" rel="alternate" href="https://docs.datahub.com/docs/datahub-web-react" hreflang="en"><link data-rh="true" rel="alternate" href="https://docs.datahub.com/docs/datahub-web-react" hreflang="x-default"><link data-rh="true" rel="preconnect" href="https://RK0UG797F3-dsn.algolia.net" crossorigin="anonymous"><link rel="alternate" type="application/rss+xml" href="/learn/rss.xml" title="DataHub RSS Feed">
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<script id="runllm-widget-script" type="module" src="https://widget.runllm.com" crossorigin="true" runllm-name="DataHub" runllm-assistant-id="81" runllm-position="BOTTOM_RIGHT" runllm-keyboard-shortcut="Mod+j" runllm-preset="docusaurus" runllm-theme-color="#1890FF" runllm-brand-logo="https://docs.datahub.com/img/datahub-logo-color-mark.svg" runllm-community-url="https://datahub.com/slack" runllm-community-type="slack" runllm-disable-ask-a-person="true" async></script><link rel="stylesheet" href="/assets/css/styles.d8fe2eb8.css">
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<script>!function(){function t(t){document.documentElement.setAttribute("data-theme",t)}var e=function(){var t=null;try{t=new URLSearchParams(window.location.search).get("docusaurus-theme")}catch(t){}return t}()||function(){var t=null;try{t=localStorage.getItem("theme")}catch(t){}return t}();t(null!==e?e:"light")}(),document.documentElement.setAttribute("data-announcement-bar-initially-dismissed",function(){try{return"true"===localStorage.getItem("docusaurus.announcement.dismiss")}catch(t){}return!1}())</script><div id="__docusaurus">
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<div role="region" aria-label="Skip to main content"><a class="skipToContent_fXgn" href="#__docusaurus_skipToContent_fallback">Skip to main content</a></div><div class="announcementBar_mb4j" style="background-color:transparent;color:#ffffff" role="banner"><div class="content_knG7 announcementBarContent_xLdY"><div class="shimmer-banner"><p>DataHub Secures $35 Million Series B</p><a href="https://datahub.com/news/series-b-announcement/" target="_blank" class="button"><div>Read the announcement<span> →</span></div></a></div></div></div><nav aria-label="Main" class="navbar navbar--fixed-top"><div class="navbar__inner"><div class="navbar__items"><button aria-label="Toggle navigation bar" aria-expanded="false" class="navbar__toggle clean-btn" type="button"><svg width="30" height="30" viewBox="0 0 30 30" aria-hidden="true"><path stroke="currentColor" stroke-linecap="round" stroke-miterlimit="10" stroke-width="2" d="M4 7h22M4 15h22M4 23h22"></path></svg></button><a href="https://datahub.com" target="_blank" rel="noopener noreferrer" class="navbar__brand"><div class="navbar__logo"><img src="/img/datahub-logo-color-light-horizontal.svg" alt="DataHub Logo" class="themedImage_ToTc themedImage--light_HNdA"><img src="/img/datahub-logo-color-dark-horizontal.svg" alt="DataHub Logo" class="themedImage_ToTc themedImage--dark_i4oU"></div></a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link versionNavItem_cbn8">Next</a><ul class="dropdown__menu"><li><a aria-current="page" class="dropdown__link dropdown__link--active" href="/docs/datahub-web-react">Next</a></li><li><a class="dropdown__link" href="/docs/1.1.0/datahub-web-react">1.1.0</a></li><li><hr class="dropdown-separator" style="margin: 0.4rem;"></li><li><div class="dropdown__link"><b>Archived versions</b></div></li><li>
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<a class="dropdown__link" href="https://docs-website-psat3nzgi-acryldata.vercel.app/docs/features">0.13.1
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<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
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<a class="dropdown__link" href="https://docs-website-2uuxmgza2-acryldata.vercel.app/docs/features">0.12.1
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<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
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</li><li>
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<a class="dropdown__link" href="https://docs-website-irpoe2osc-acryldata.vercel.app/docs/features">0.11.0
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<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
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</li><li>
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<a class="dropdown__link" href="https://docs-website-1gv2yzn9d-acryldata.vercel.app/docs/features">0.10.5
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<svg width="12" height="12" aria-hidden="true" viewBox="0 0 24 24"><path fill="currentColor" d="M21 13v10h-21v-19h12v2h-10v15h17v-8h2zm3-12h-10.988l4.035 4-6.977 7.07 2.828 2.828 6.977-7.07 4.125 4.172v-11z"></path></svg>
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</a>
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</li></ul></div></div><div class="navbar__items navbar__items--right"><a aria-current="page" class="navbar__item navbar__link navbar__link--active" href="/docs">Docs</a><a class="navbar__item navbar__link" href="/integrations">Integrations</a><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Learn</a><ul class="dropdown__menu dropdown__menu_Z8FC"><div class="wrapper_kp81"><div><a href="https://datahub.com/weekly-demo" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-join-slack.png" alt="Weekly Demo"></div><div class="title_c7DP">Weekly Demo</div></a></div><div><a href="https://datahub.com/use-cases" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-forum.png" alt="Use Cases"></div><div class="title_c7DP">Use Cases</div></a></div><div><a href="httpps://datahub.com/adoption-stories" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-events.png" alt="Adoption Stories"></div><div class="title_c7DP">Adoption Stories</div></a></div><div><a href="https://medium.com/datahub-project" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-champions.png" alt="Blog"></div><div class="title_c7DP">Blog</div></a></div><div><a href="https://www.youtube.com/channel/UC3qFQC5IiwR5fvWEqi_tJ5w" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-share-your-journey.png" alt="Youtube"></div><div class="title_c7DP">Youtube</div></a></div></div></ul></div><div class="navbar__item dropdown dropdown--hoverable"><a href="#" aria-haspopup="true" aria-expanded="false" role="button" class="navbar__link">Community</a><ul class="dropdown__menu dropdown__menu_Z8FC"><div class="wrapper_kp81"><div><a href="https://datahub.com/slack/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-join-slack.png" alt="Join Slack"></div><div class="title_c7DP">Join Slack</div></a></div><div><a href="https://datahub.com/events" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-events.png" alt="Events"></div><div class="title_c7DP">Events</div></a></div><div><a href="https://datahub.com/champions/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-champions.png" alt="Champions"></div><div class="title_c7DP">Champions</div></a></div><div><a href="https://datahub.com/share-your-journey/" target="_blank" rel="noopener noreferrer" class="card_BUD7"><div class="icon_BgHd"><img src="/img/icon-share-your-journey.png" alt="Share Your Journey"></div><div class="title_c7DP">Share Your Journey</div></a></div></div></ul></div><a href="https://datahub.com/products/why-datahub-cloud/" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">
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<style>
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.cloud-cta {
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color: var(--ifm-menu-color-active);
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font-weight: 600;
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background: linear-gradient(40deg, var(--ifm-menu-color-active), var(--ifm-menu-color-active));
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background-size: 200% 100%;
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-webkit-background-clip: text;
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background-clip: text;
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transition: background-image 0.3s ease;
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}
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.cloud-cta:hover {
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color: transparent;
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background: linear-gradient(40deg, var(--ifm-menu-color-active), #ff1493);
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background-size: 200% 100%;
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-webkit-background-clip: text;
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background-clip: text;
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animation: gradientShift 3s ease infinite;
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}
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@keyframes gradientShift {
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0%, 100% { background-position: 0% 50%; }
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50% { background-position: 100% 50%; }
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}
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</style>
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<div class="cloud-cta">Get Cloud</div>
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</a><a href="https://datahub.com/slack?utm_source=docs&utm_medium=header&utm_campaign=docs_header" target="_blank" rel="noopener noreferrer" class="navbar__item navbar__link">
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<style>
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.slack-logo:hover {
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opacity: 0.8;
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}
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</style>
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<img class="slack-logo" src="https://upload.wikimedia.org/wikipedia/commons/d/d5/Slack_icon_2019.svg" , alt="slack" , height="20px" style="margin: 10px 0 0 0;">
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</a><div class="searchBox_ZlJk"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search"><span class="DocSearch-Button-Container"><svg width="20" height="20" class="DocSearch-Search-Icon" viewBox="0 0 20 20" aria-hidden="true"><path d="M14.386 14.386l4.0877 4.0877-4.0877-4.0877c-2.9418 2.9419-7.7115 2.9419-10.6533 0-2.9419-2.9418-2.9419-7.7115 0-10.6533 2.9418-2.9419 7.7115-2.9419 10.6533 0 2.9419 2.9418 2.9419 7.7115 0 10.6533z" stroke="currentColor" fill="none" fill-rule="evenodd" stroke-linecap="round" stroke-linejoin="round"></path></svg><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"></span></button></div></div></div><div role="presentation" class="navbar-sidebar__backdrop"></div></nav><div id="__docusaurus_skipToContent_fallback" class="main-wrapper mainWrapper_z2l0 docsWrapper_BCFX"><button aria-label="Scroll back to top" class="clean-btn theme-back-to-top-button backToTopButton_sjWU" type="button"></button><div class="docPage__5DB"><aside class="theme-doc-sidebar-container docSidebarContainer_b6E3"><div class="sidebarViewport_Xe31"><div class="sidebar_njMd"><nav aria-label="Docs sidebar" class="menu thin-scrollbar menu_SIkG menuWithAnnouncementBar_GW3s"><ul class="theme-doc-sidebar-menu menu__list"><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menuHtmlItem_M9Kj menu__list-item"><div>Getting Started</div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/features">What Is DataHub?</a><button aria-label="Toggle the collapsible sidebar category 'What Is DataHub?'" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist" aria-expanded="false" href="/docs/category/features">Features</a><button aria-label="Toggle the collapsible sidebar category 'Features'" type="button" class="clean-btn menu__caret"></button></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menuHtmlItem_M9Kj menu__list-item"><div>DataHub Cloud</div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/managed-datahub/managed-datahub-overview">DataHub Cloud Overview</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/docs/managed-datahub/welcome-acryl">Getting Started with DataHub Cloud</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/authentication/guides/sso/initialize-oidc">Configure Single Sign-On</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/managed-datahub/remote-executor/about">Remote Executor</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/docs/managed-datahub/datahub-api/entity-events-api">DataHub API</a></div></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--subli
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from organizations operating DataHub. Two themes have emerged to serve as guideposts:</p><ol><li><strong>Configurability</strong>: The client experience should be configurable, such that deploying organizations can tailor certain
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aspects to their needs. This includes theme / styling configurability, showing and hiding specific functionality,
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customizing copy & logos, etc.</li><li><strong>Extensibility</strong>: Extending the <em>functionality</em> of DataHub should be as simple as possible. Making changes like
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extending an existing entity & adding a new entity should require minimal effort and should be well covered in detailed
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documentation.</li></ol><h2 class="anchor anchorWithStickyNavbar_LWe7" id="starting-the-application">Starting the Application<a href="#starting-the-application" class="hash-link" aria-label="Direct link to Starting the Application" title="Direct link to Starting the Application"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="quick-start">Quick Start<a href="#quick-start" class="hash-link" aria-label="Direct link to Quick Start" title="Direct link to Quick Start"></a></h3><p>Navigate to the <code>docker</code> directory and run the following to spin up the react app:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">./quickstart.sh</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p>at <code>http://localhost:9002</code>.</p><p>If you want to make changes to the UI see them live without having to rebuild the <code>datahub-frontend-react</code> docker image, you
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can run the following in this directory:</p><p><code>yarn install && yarn run start</code></p><p>which will start a forwarding server at <code>localhost:3000</code>. Note that to fetch real data, <code>datahub-frontend</code> server will also
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need to be deployed, still at <code>http://localhost:9002</code>, to service GraphQL API requests.</p><p>Optionally you could also start the app with the mock server without running the docker containers by executing <code>yarn start:mock</code>. See <a href="https://github.com/datahub-project/datahub/blob/master/datahub-web-react/src/graphql-mock/fixtures/searchResult/userSearchResult.ts#L6" target="_blank" rel="noopener noreferrer">here</a> for available login users.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="testing-your-customizations">Testing your customizations<a href="#testing-your-customizations" class="hash-link" aria-label="Direct link to Testing your customizations" title="Direct link to Testing your customizations"></a></h3><p>There is two options to test your customizations:</p><ul><li><strong>Option 1</strong>: Initialize the docker containers with the <code>quickstart.sh</code> script (or if any custom docker-compose file) and then run <code>yarn start</code> in this directory. This will start a forwarding server at <code>localhost:3000</code> that will use the <code>datahub-frontend</code> server at <code>http://localhost:9002</code> to fetch real data.</li><li><strong>Option 2</strong>: Change the environment variable <code>REACT_APP_PROXY_TARGET</code> in the <code>.env</code> file to point to your <code>datahub-frontend</code> server (ex: https://my_datahub_host.com) and then run <code>yarn start</code> in this directory. This will start a forwarding server at <code>localhost:3000</code> that will use the <code>datahub-frontend</code> server at some domain to fetch real data.</li></ul><p>The option 2 is useful if you want to test your React customizations without having to run the hole DataHub stack locally. However, if you changed other components of the DataHub stack, you will need to run the hole stack locally (building the docker images) and use the option 1.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="functional-testing">Functional testing<a href="#functional-testing" class="hash-link" aria-label="Direct link to Functional testing" title="Direct link to Functional testing"></a></h3><p>In order to start a server and run frontend unit tests using react-testing-framework, run:</p><p><code>yarn test :e2e</code></p><p>There are also more automated tests using Cypress in the <code>smoke-test</code> folder of the repository root.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="troubleshooting">Troubleshooting<a href="#troubleshooting" class="hash-link" aria-label="Direct link to Troubleshooting" title="Direct link to Troubleshooting"></a></h4><p><code>Error: error:0308010C:digital envelope routines::unsupported</code>: This error message shows up when using Node 17, due to an OpenSSL update related to md5.<br>
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<!-- -->The best workaround is to revert to the Active LTS version of Node, 16.13.0 with the command <code>nvm install 16.13.0</code> and if necessary reinstall yarn <code>npm install --global yarn</code>.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="theming">Theming<a href="#theming" class="hash-link" aria-label="Direct link to Theming" title="Direct link to Theming"></a></h3><h4 class="anchor anchorWithStickyNavbar_LWe7" id="customizing-your-app-without-rebuilding-assets">Customizing your App without rebuilding assets<a href="#customizing-your-app-without-rebuilding-assets" class="hash-link" aria-label="Direct link to Customizing your App without rebuilding assets" title="Direct link to Customizing your App without rebuilding assets"></a></h4><p>To see the results of any change to a theme, you will need to rebuild your datahub-frontend-react container. While this may work for some users, if you don't want to rebuild your container
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you can change two things without rebuilding.</p><ol><li>You customize the logo on the homepage & the search bar header by setting the <code>REACT_APP_LOGO_URL</code> env variable when deploying GMS.</li><li>You can customize the favicon (the icon on your browser tab) by setting the <code>REACT_APP_FAVICON_URL</code> env var when deploying GMS.</li></ol><h4 class="anchor anchorWithStickyNavbar_LWe7" id="selecting-a-theme">Selecting a theme<a href="#selecting-a-theme" class="hash-link" aria-label="Direct link to Selecting a theme" title="Direct link to Selecting a theme"></a></h4><p>Theme configurations are stored in <code>./src/conf/theme</code>. To select a theme, choose one and update the <code>REACT_APP_THEME_CONFIG</code> env variable stored in <code>.env</code>.
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To change the selected theme, update the <code>.env</code> file and re-run <code>yarn start</code> from <code>datahub/datahub-web-react</code>.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="editing-a-theme">Editing a theme<a href="#editing-a-theme" class="hash-link" aria-label="Direct link to Editing a theme" title="Direct link to Editing a theme"></a></h4><p>To edit an existing theme, the recommendation is to clone one of the existing themes into a new file with the name <code><your_themes_name>.config.json</code>,
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and then update the env variable as descibed above. The theme files have three sections, <code>styles</code>, <code>assets</code> and <code>content</code>. The type of the theme configs is specified
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in <code>./src/conf/theme/types.ts</code>.</p><p><code>styles</code> configure overrides for the apps theming variables.</p><p><code>assets</code> configures the logo url.</p><p><code>content</code> specifies customizable text fields.</p><p>While developing on your theme, all changes to assets and content are seen immediately in your local app. However, changes to styles require
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you to terminate and re-run <code>yarn start</code> to see updated styles.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="design-details">Design Details<a href="#design-details" class="hash-link" aria-label="Direct link to Design Details" title="Direct link to Design Details"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="package-organization">Package Organization<a href="#package-organization" class="hash-link" aria-label="Direct link to Package Organization" title="Direct link to Package Organization"></a></h3><p>The <code>src</code> dir of the app is broken down into the following modules</p><p><strong>conf</strong> - Stores global configuration flags that can be referenced across the app. For example, the number of
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search results shown per page, or the placeholder text in the search bar box. It serves as a location where levels
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for functional configurability should reside.</p><p><strong>app</strong> - Contains all important components of the app. It has a few sub-modules:</p><ul><li><p><code>auth</code>: Components used to render the user authentication experience.</p></li><li><p><code>browse</code>: Shared components used to render the 'browse-by-path' experience. The experience is akin to navigating a filesystem hierarchy.</p></li><li><p><code>preview</code>: Shared components used to render Entity 'preview' views. These can appear in search results, browse results,
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and within entity profile pages.</p></li><li><p><code>search</code>: Shared components used to render the full-text search experience.</p></li><li><p><code>shared</code>: Misc. shared components</p></li><li><p><code>entity</code>: Contains Entity definitions, where entity-specific functionality resides.
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Configuration is provided by implementing the 'Entity' interface. (See DatasetEntity.tsx for example)
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There are 2 visual components each entity should supply:</p><ul><li><p><code>profiles</code>: display relevant details about an individual entity. This serves as the entity's 'profile'.</p></li><li><p><code>previews</code>: provide a 'preview', or a smaller details card, containing the most important information about an entity instance.</p><p> When rendering a preview, the entity's data and the type of preview (SEARCH, BROWSE, PREVIEW) are provided. This
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allows you to optionally customize the way an entities preview is rendered in different views.</p></li><li><p><code>entity registry</code>: There's another very important piece of code living within this module: the <strong>EntityRegistry</strong>. This is a layer
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of abstraction over the intimate details of rendering a particular entity. It is used
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to render a view associated with a particular entity type (user, dataset, etc.).</p></li></ul></li></ul><p align="center"><img loading="lazy" width="70%" src="https://raw.githubusercontent.com/datahub-project/static-assets/main/imgs/entity-registry.png" class="img_ev3q"></p><p><strong>graphql</strong> - The React App talks to the <code>dathub-frontend</code> server using GraphQL. This module is where the <em>queries</em> issued
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against the server are defined. Once defined, running <code>yarn run generate</code> will code-gen TypeScript objects to make invoking
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these queries extremely easy. An example can be found at the top of <code>SearchPage.tsx.</code></p><p><strong>images</strong> - Images to be displayed within the app. This is where one would place a custom logo image.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="adding-an-entity">Adding an Entity<a href="#adding-an-entity" class="hash-link" aria-label="Direct link to Adding an Entity" title="Direct link to Adding an Entity"></a></h2><p>The following outlines a series of steps required to introduce a new entity into the React app:</p><ol><li><p>Declare the GraphQL Queries required to display the new entity</p><ul><li>If search functionality should be supported, extend the "search" query within <code>search.graphql</code> to fetch the new
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entity data.</li><li>If browse functionality should be supported, extend the "browse" query within <code>browse.graphql</code> to fetch the new
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entity data.</li><li>If display a 'profile' should be supported (most often), introduce a new <code><entity-name>.graphql</code> file that contains a
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<code>get</code> query to fetch the entity by primary key (urn).</li></ul><p>Note that your new entity <em>must</em> implement the <code>Entity</code> GraphQL type interface, and thus must have a corresponding
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<code>EntityType</code>.</p></li><li><p>Implement the <code>Entity</code> interface</p><ul><li>Create a new folder under <code>src/components/entity</code> corresponding to your entity</li><li>Create a class that implements the <code>Entity</code> interface (example: <code>DatasetEntity.tsx</code>)</li><li>Provide an implementation each method defined on the interface.<ul><li>This class specifies whether your new entity should be searchable & browsable, defines the names used to
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identify your entity when instances are rendered in collection / when entity appears
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in the URL path, and provides the ability to render your entity given data returned by the GQL API.</li></ul></li></ul></li><li><p>Register the new entity in the <code>EntityRegistry</code></p><ul><li>Update <code>App.tsx</code> to register an instance of your new entity. Now your entity will be accessible via the registry
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and appear in the UI. To manually retrieve the info about your entity or others, simply use an instance
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of the <code>EntityRegistry</code>, which is provided via <code>ReactContext</code> to <em>all</em> components in the hierarchy.
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For example<div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">entityRegistry.getCollectionName(EntityType.YOUR_NEW_ENTITY)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ul></li></ol><p>That's it! For any questions, do not hesitate to reach out on the DataHub Slack community in #datahub-react.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="slackUtm_uoBr"><div class="slackUtm_uoBr"><hr>Need more help? Join the conversation in <a href="https://datahub.com/slack?utm_source=docs&utm_medium=footer&utm_campaign=docs_footer&utm_content=datahub-web-react/README">Slack!</a></div></div><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/datahub-project/datahub/blob/master/datahub-web-react/README.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_VsjB"></div></div></footer><div class="feedbackWrapper_mUHF"><div class="feedbackWidget_PX4d"><div class="feedbackButtons_wn3V"><strong>Is this page helpful?</strong><div><button class="feedbackButton_UgQs"><span role="img" aria-label="like" class="anticon anticon-like"><svg viewBox="64 64 896 896" focusable="false" data-icon="like" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M885.9 533.7c16.8-22.2 26.1-49.4 26.1-77.7 0-44.9-25.1-87.4-65.5-111.1a67.67 67.67 0 00-34.3-9.3H572.4l6-122.9c1.4-29.7-9.1-57.9-29.5-79.4A106.62 106.62 0 00471 99.9c-52 0-98 35-111.8 85.1l-85.9 311H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h601.3c9.2 0 18.2-1.8 26.5-5.4 47.6-20.3 78.3-66.8 78.3-118.4 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7 0-12.6-1.8-25-5.4-37 16.8-22.2 26.1-49.4 26.1-77.7-.2-12.6-2-25.1-5.6-37.1zM184 852V568h81v284h-81zm636.4-353l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 16.5-7.2 32.2-19.6 43l-21.9 19 13.9 25.4a56.2 56.2 0 016.9 27.3c0 22.4-13.2 42.6-33.6 51.8H329V564.8l99.5-360.5a44.1 44.1 0 0142.2-32.3c7.6 0 15.1 2.2 21.1 6.7 9.9 7.4 15.2 18.6 14.6 30.5l-9.6 198.4h314.4C829 418.5 840 436.9 840 456c0 16.5-7.2 32.1-19.6 43z"></path></svg></span></button><button class="feedbackButton_UgQs"><span role="img" aria-label="dislike" class="anticon anticon-dislike"><svg viewBox="64 64 896 896" focusable="false" data-icon="dislike" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M885.9 490.3c3.6-12 5.4-24.4 5.4-37 0-28.3-9.3-55.5-26.1-77.7 3.6-12 5.4-24.4 5.4-37 0-28.3-9.3-55.5-26.1-77.7 3.6-12 5.4-24.4 5.4-37 0-51.6-30.7-98.1-78.3-118.4a66.1 66.1 0 00-26.5-5.4H144c-17.7 0-32 14.3-32 32v364c0 17.7 14.3 32 32 32h129.3l85.8 310.8C372.9 889 418.9 924 470.9 924c29.7 0 57.4-11.8 77.9-33.4 20.5-21.5 31-49.7 29.5-79.4l-6-122.9h239.9c12.1 0 23.9-3.2 34.3-9.3 40.4-23.5 65.5-66.1 65.5-111 0-28.3-9.3-55.5-26.1-77.7zM184 456V172h81v284h-81zm627.2 160.4H496.8l9.6 198.4c.6 11.9-4.7 23.1-14.6 30.5-6.1 4.5-
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