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128 lines
34 KiB
HTML
<!DOCTYPE html><html><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="ie=edge"/><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"/><meta name="generator" content="Gatsby 2.32.0"/><title data-react-helmet="true">react-map-gl | useMap</title><link data-react-helmet="true" rel="stylesheet" href="https://api.tiles.mapbox.com/mapbox-gl-js/v2.6.1/mapbox-gl.css" type="text/css"/><link data-react-helmet="true" rel="stylesheet" href="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-draw/v1.3.0/mapbox-gl-draw.css" type="text/css"/><link data-react-helmet="true" rel="stylesheet" href="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-geocoder/v4.7.2/mapbox-gl-geocoder.css" type="text/css"/><link data-react-helmet="true" rel="stylesheet" href="/react-map-gl/style.css" type="text/css"/><link data-react-helmet="true" rel="icon" type="img/ico" href="favicon.ico"/><meta data-react-helmet="true" name="description" content="React wrapper for Mapbox GL JS"/><meta data-react-helmet="true" name="image" content="https://github.com/visgl/images/hero-sm.jpg"/><meta data-react-helmet="true" property="og:url" content="https://github.com/visgl/*"/><meta data-react-helmet="true" property="og:type" content="article"/><meta data-react-helmet="true" property="og:title" content="react-map-gl | useMap"/><meta data-react-helmet="true" property="og:description" content="React wrapper for Mapbox GL JS"/><meta data-react-helmet="true" property="og:image" content="https://github.com/visgl/images/hero-sm.jpg"/><meta data-react-helmet="true" property="fb:app_id" content=""/><meta data-react-helmet="true" name="twitter:card" content="summary_large_image"/><meta data-react-helmet="true" name="twitter:creator" content=""/><meta data-react-helmet="true" name="twitter:title" content="react-map-gl | useMap"/><meta data-react-helmet="true" name="twitter:description" content="React wrapper for Mapbox GL JS"/><meta data-react-helmet="true" name="twitter:image" content="https://github.com/visgl/images/hero-sm.jpg"/><script data-react-helmet="true" type="application/ld+json">[{"@context":"http://schema.org","@type":"WebSite","url":"https://github.com/visgl","name":"react-map-gl"},[{"@context":"http://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://github.com/visgl/*","name":"react-map-gl | useMap","image":"https://github.com/visgl/images/hero-sm.jpg"}}]},{"@context":"http://schema.org","@type":"BlogPosting","url":"https://github.com/visgl","name":"react-map-gl | useMap","headline":"react-map-gl | useMap","image":{"@type":"ImageObject","url":"https://github.com/visgl/images/hero-sm.jpg"},"description":"React wrapper for Mapbox GL JS"}]]</script><script data-react-helmet="true" async="" src="https://www.googletagmanager.com/gtag/js?id=UA-74374017-2"></script><style data-styled="ckjqBY kTxBVF hLObhf jcCSEG bdPEit dkfbFn isdBno ljEIIX cqPqff FcGip drnfrA cowmvG eYbFBV idNLwm iTIrjR dMTgn dvhuEd cncNYa egvBsN dMoEUD fPGooQ jYCwIr" data-styled-version="4.4.1">
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</script><link as="script" rel="preload" href="/react-map-gl/webpack-runtime-6b838475759dd29dc300.js"/><link as="script" rel="preload" href="/react-map-gl/framework-47a7447cd78cae046a8b.js"/><link as="script" rel="preload" href="/react-map-gl/app-c33704d3a1abd6ea3046.js"/><link as="script" rel="preload" href="/react-map-gl/component---node-modules-gatsby-theme-ocular-src-react-templates-documentation-jsx-298d6a55a92e5d120c0e.js"/><link as="fetch" rel="preload" href="/react-map-gl/page-data/docs/api-reference/use-map/page-data.json" crossorigin="anonymous"/><link as="fetch" rel="preload" href="/react-map-gl/page-data/sq/d/484347790.json" crossorigin="anonymous"/><link as="fetch" rel="preload" href="/react-map-gl/page-data/app-data.json" crossorigin="anonymous"/></head><body><div id="___gatsby"><div style="outline:none" tabindex="-1" id="gatsby-focus-wrapper"><div><div class="body__Body-lvm4v2-3 ckjqBY"><div class="header__HeaderContainer-sc-3r2dxq-1 kTxBVF"><div></div></div><div class="toc__TocContainer-c2gnov-5 hLObhf"><div><div title="Introduction" class="toc__TocEntry-c2gnov-1 jcCSEG"><svg viewBox="0 0 24 24" class="toc__TocChevron-c2gnov-0 isdBno" width="24" height="24"><title>Chevron Down</title><path transform="rotate(270, 12, 12)" fill-rule="evenodd" clip-rule="evenodd" d="M9 12C9 12.2652 9.10536 12.5196 9.29289 12.7071L13.2929 16.7071C13.6834 17.0976 14.3166 17.0976 14.7071 16.7071C15.0976 16.3166 15.0976 15.6834 14.7071 15.2929L11.4142 12L14.7071 8.70711C15.0976 8.31658 15.0976 7.68342 14.7071 7.29289C14.3166 6.90237 13.6834 6.90237 13.2929 7.29289L9.29289 11.2929C9.10536 11.4804 9 11.7348 9 12Z"></path></svg><span class="toc__TocHeader-c2gnov-2 cqPqff">Introduction</span></div><ul class="toc__TocSubpages-c2gnov-4 FcGip"><div><li><div title="Introduction" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Introduction" href="/react-map-gl/docs">Introduction</a></div></div></li></div><div><li><div title="What's new" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="What's new" href="/react-map-gl/docs/whats-new">What's new</a></div></div></li></div><div><li><div title="Upgrade Guide" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Upgrade Guide" href="/react-map-gl/docs/upgrade-guide">Upgrade Guide</a></div></div></li></div><div><li><div title="Contributing to react-map-gl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Contributing to react-map-gl" href="/react-map-gl/docs/contributing">Contributing to react-map-gl</a></div></div></li></div></ul></div><div><div title="Developer Guide" class="toc__TocEntry-c2gnov-1 dkfbFn"><svg viewBox="0 0 24 24" class="toc__TocChevron-c2gnov-0 isdBno" width="24" height="24"><title>Chevron Down</title><path transform="rotate(270, 12, 12)" fill-rule="evenodd" clip-rule="evenodd" d="M9 12C9 12.2652 9.10536 12.5196 9.29289 12.7071L13.2929 16.7071C13.6834 17.0976 14.3166 17.0976 14.7071 16.7071C15.0976 16.3166 15.0976 15.6834 14.7071 15.2929L11.4142 12L14.7071 8.70711C15.0976 8.31658 15.0976 7.68342 14.7071 7.29289C14.3166 6.90237 13.6834 6.90237 13.2929 7.29289L9.29289 11.2929C9.10536 11.4804 9 11.7348 9 12Z"></path></svg><span class="toc__TocHeader-c2gnov-2 cqPqff">Developer Guide</span></div><ul class="toc__TocSubpages-c2gnov-4 FcGip"><div><li><div title="Get Started" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Get Started" href="/react-map-gl/docs/get-started/get-started">Get Started</a></div></div></li></div><div><li><div title="About Mapbox Tokens" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="About Mapbox Tokens" href="/react-map-gl/docs/get-started/mapbox-tokens">About Mapbox Tokens</a></div></div></li></div><div><li><div title="State Management" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="State Management" href="/react-map-gl/docs/get-started/state-management">State Management</a></div></div></li></div><div><li><div title="Adding Custom Data" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Adding Custom Data" href="/react-map-gl/docs/get-started/adding-custom-data">Adding Custom Data</a></div></div></li></div><div><li><div title="Tips and Tricks" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Tips and Tricks" href="/react-map-gl/docs/get-started/tips-and-tricks">Tips and Tricks</a></div></div></li></div></ul></div><div><div title="API Reference" class="toc__TocEntry-c2gnov-1 dkfbFn"><svg viewBox="0 0 24 24" class="toc__TocChevron-c2gnov-0 ljEIIX" width="24" height="24"><title>Chevron Down</title><path transform="rotate(270, 12, 12)" fill-rule="evenodd" clip-rule="evenodd" d="M9 12C9 12.2652 9.10536 12.5196 9.29289 12.7071L13.2929 16.7071C13.6834 17.0976 14.3166 17.0976 14.7071 16.7071C15.0976 16.3166 15.0976 15.6834 14.7071 15.2929L11.4142 12L14.7071 8.70711C15.0976 8.31658 15.0976 7.68342 14.7071 7.29289C14.3166 6.90237 13.6834 6.90237 13.2929 7.29289L9.29289 11.2929C9.10536 11.4804 9 11.7348 9 12Z"></path></svg><span class="toc__TocHeader-c2gnov-2 cqPqff">API Reference</span></div><ul class="toc__TocSubpages-c2gnov-4 drnfrA"><div><li><div title="default (Map)" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="default (Map)" href="/react-map-gl/docs/api-reference/map">default (Map)</a></div></div></li></div><div><li><div title="AttributionControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="AttributionControl" href="/react-map-gl/docs/api-reference/attribution-control">AttributionControl</a></div></div></li></div><div><li><div title="FullscreenControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="FullscreenControl" href="/react-map-gl/docs/api-reference/fullscreen-control">FullscreenControl</a></div></div></li></div><div><li><div title="GeolocateControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="GeolocateControl" href="/react-map-gl/docs/api-reference/geolocate-control">GeolocateControl</a></div></div></li></div><div><li><div title="Layer" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Layer" href="/react-map-gl/docs/api-reference/layer">Layer</a></div></div></li></div><div><li><div title="MapProvider" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="MapProvider" href="/react-map-gl/docs/api-reference/map-provider">MapProvider</a></div></div></li></div><div><li><div title="Marker" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Marker" href="/react-map-gl/docs/api-reference/marker">Marker</a></div></div></li></div><div><li><div title="NavigationControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="NavigationControl" href="/react-map-gl/docs/api-reference/navigation-control">NavigationControl</a></div></div></li></div><div><li><div title="Popup" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Popup" href="/react-map-gl/docs/api-reference/popup">Popup</a></div></div></li></div><div><li><div title="ScaleControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="ScaleControl" href="/react-map-gl/docs/api-reference/scale-control">ScaleControl</a></div></div></li></div><div><li><div title="Source" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Source" href="/react-map-gl/docs/api-reference/source">Source</a></div></div></li></div><div><li><div title="useControl" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="useControl" href="/react-map-gl/docs/api-reference/use-control">useControl</a></div></div></li></div><div><li><div title="useMap" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 eYbFBV"><a aria-current="page" title="useMap" class="" href="/react-map-gl/docs/api-reference/use-map">useMap</a></div></div></li></div><div><li><div title="Types" class="toc__TocEntry-c2gnov-1 bdPEit"><div class="toc__TocLink-c2gnov-3 cowmvG"><a title="Types" href="/react-map-gl/docs/api-reference/types">Types</a></div></div></li></div></ul></div></div><div class="body__BodyContainerToC-lvm4v2-1 idNLwm"><div style="position:relative"><div class="typography__MarkdownBody-sc-1pmaksm-11 iTIrjR"><h1 id="usemap" style="position:relative" class="typography__H1-sc-1pmaksm-2 dMTgn"><a href="#usemap" aria-label="usemap permalink" class="typography__A-sc-1pmaksm-0 dvhuEd anchor before"><svg aria-hidden="true" focusable="false" 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>useMap</h1><p class="typography__P-sc-1pmaksm-8 cncNYa">The <code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-text">useMap</code> hook allows a custom component to reference the <a class="typography__GatsbyA-sc-1pmaksm-1 dMoEUD" href="/react-map-gl/docs/api-reference/map">Map</a> that contains it.</p><p class="typography__P-sc-1pmaksm-8 cncNYa">When used with the <a class="typography__GatsbyA-sc-1pmaksm-1 dMoEUD" href="/react-map-gl/docs/api-reference/map-provider">MapProvider</a>, this hook can also reference maps that are rendered outside of the current component's direct render tree.</p><div class="gatsby-highlight" data-language="js"><pre class="typography__Pre-sc-1pmaksm-14 fPGooQ language-js"><code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-js"><span class="token comment">/// Example using `useMap` inside a Map</span>
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<span class="token keyword">import</span> <span class="token punctuation">{</span>Map<span class="token punctuation">,</span> useMap<span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react-map-gl'</span><span class="token punctuation">;</span>
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<span class="token keyword">function</span> <span class="token function">Root</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">return</span> <span class="token punctuation">(</span>
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<span class="token operator"><</span>Map <span class="token operator">...</span> <span class="token operator">></span>
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<span class="token operator"><</span>NavigationButton <span class="token operator">/</span><span class="token operator">></span>
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<span class="token operator"><</span><span class="token operator">/</span>Map<span class="token operator">></span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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<span class="token keyword">function</span> <span class="token function">NavigateButton</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">const</span> <span class="token punctuation">{</span><span class="token literal-property property">current</span><span class="token operator">:</span> map<span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">useMap</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">const</span> <span class="token function-variable function">onClick</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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map<span class="token punctuation">.</span><span class="token function">flyTo</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">center</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token operator">-</span><span class="token number">122.4</span><span class="token punctuation">,</span> <span class="token number">37.8</span><span class="token punctuation">]</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">;</span>
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<span class="token keyword">return</span> <span class="token operator"><</span>button onClick<span class="token operator">=</span><span class="token punctuation">{</span>onClick<span class="token punctuation">}</span><span class="token operator">></span>Go<span class="token operator"><</span><span class="token operator">/</span>button<span class="token operator">></span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span></code></pre></div><div class="gatsby-highlight" data-language="js"><pre class="typography__Pre-sc-1pmaksm-14 fPGooQ language-js"><code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-js"><span class="token comment">/// Example using `useMap` with `MapProvider`</span>
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<span class="token keyword">import</span> <span class="token punctuation">{</span>MapProvider<span class="token punctuation">,</span> Map<span class="token punctuation">,</span> useMap<span class="token punctuation">}</span> <span class="token keyword">from</span> <span class="token string">'react-map-gl'</span><span class="token punctuation">;</span>
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<span class="token keyword">function</span> <span class="token function">Root</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">return</span> <span class="token punctuation">(</span>
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<span class="token operator"><</span>MapProvider<span class="token operator">></span>
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<span class="token operator"><</span>Map id<span class="token operator">=</span><span class="token string">"myMapA"</span> <span class="token operator">...</span> <span class="token operator">/</span><span class="token operator">></span>
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<span class="token operator"><</span>Map id<span class="token operator">=</span><span class="token string">"myMapB"</span> <span class="token operator">...</span> <span class="token operator">/</span><span class="token operator">></span>
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<span class="token operator"><</span>NavigateButton <span class="token operator">/</span><span class="token operator">></span>
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<span class="token operator"><</span><span class="token operator">/</span>MapProvider<span class="token operator">></span>
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<span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span>
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<span class="token keyword">function</span> <span class="token function">NavigateButton</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
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<span class="token keyword">const</span> <span class="token punctuation">{</span>myMapA<span class="token punctuation">,</span> myMapB<span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">useMap</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token keyword">const</span> <span class="token function-variable function">onClick</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
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myMapA<span class="token punctuation">.</span><span class="token function">flyTo</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">center</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token operator">-</span><span class="token number">122.4</span><span class="token punctuation">,</span> <span class="token number">37.8</span><span class="token punctuation">]</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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myMapB<span class="token punctuation">.</span><span class="token function">flyTo</span><span class="token punctuation">(</span><span class="token punctuation">{</span><span class="token literal-property property">center</span><span class="token operator">:</span> <span class="token punctuation">[</span><span class="token operator">-</span><span class="token number">74</span><span class="token punctuation">,</span> <span class="token number">40.7</span><span class="token punctuation">]</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span><span class="token punctuation">;</span>
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<span class="token keyword">return</span> <span class="token operator"><</span>button onClick<span class="token operator">=</span><span class="token punctuation">{</span>onClick<span class="token punctuation">}</span><span class="token operator">></span>Go<span class="token operator"><</span><span class="token operator">/</span>button<span class="token operator">></span><span class="token punctuation">;</span>
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<span class="token punctuation">}</span></code></pre></div><p class="typography__P-sc-1pmaksm-8 cncNYa">See a full example <a href="https://github.com/visgl/react-map-gl/tree/7.0-release/examples/get-started/hook" class="typography__A-sc-1pmaksm-0 dvhuEd">here</a>.</p><h2 style="position:relative" id="signature" class="typography__H2-sc-1pmaksm-3 jYCwIr"><a href="#signature" aria-label="signature permalink" class="typography__A-sc-1pmaksm-0 dvhuEd anchor before"><svg aria-hidden="true" focusable="false" 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>Signature</h2><p class="typography__P-sc-1pmaksm-8 cncNYa"><code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-text">useMap(): {current?: MapRef, [id: string]: MapRef}</code></p><p class="typography__P-sc-1pmaksm-8 cncNYa">The hook returns an object that contains all mounted maps under the closest <code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-text">MapProvider</code>. The keys are each map's <a class="typography__GatsbyA-sc-1pmaksm-1 dMoEUD" href="/react-map-gl/docs/api-reference/map#id">id</a> and the values are the <a class="typography__GatsbyA-sc-1pmaksm-1 dMoEUD" href="/react-map-gl/docs/api-reference/types#mapref">MapRef</a>.</p><p class="typography__P-sc-1pmaksm-8 cncNYa">If the hook is used inside a decendent of a <code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-text">Map</code> component, the returned object also contains a <code class="typography__InlineCode-sc-1pmaksm-12 egvBsN language-text">current</code> field that references the containing map.</p><h2 style="position:relative" id="source" class="typography__H2-sc-1pmaksm-3 jYCwIr"><a href="#source" aria-label="source permalink" class="typography__A-sc-1pmaksm-0 dvhuEd anchor before"><svg aria-hidden="true" focusable="false" 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>Source</h2><p class="typography__P-sc-1pmaksm-8 cncNYa"><a href="https://github.com/visgl/react-map-gl/tree/7.0-release/src/components/use-map.tsx" class="typography__A-sc-1pmaksm-0 dvhuEd">use-map.tsx</a></p></div></div></div></div></div></div><div id="gatsby-announcer" style="position:absolute;top:0;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0" aria-live="assertive" aria-atomic="true"></div></div><script id="gatsby-script-loader">/*<![CDATA[*/window.pagePath="/docs/api-reference/use-map";/*]]>*/</script><script 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