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data-v-1b571f26>Contributing</span><!--]--></a></div><!--]--><!--]--></div><!--[--><!--]--></div></div></div><!--]--><!--]--></nav><div class="VPFlyout VPNavBarTranslations translations" data-v-2e8dfb4b data-v-492a0c8e data-v-d85ac99d><button type="button" class="button" aria-haspopup="true" aria-expanded="false" aria-label="Change language" data-v-d85ac99d><span class="text" data-v-d85ac99d><span class="vpi-languages option-icon" data-v-d85ac99d></span><!----><span class="vpi-chevron-down text-icon" data-v-d85ac99d></span></span></button><div class="menu" data-v-d85ac99d><div class="VPMenu" data-v-d85ac99d data-v-c8d7041b><!----><!--[--><!--[--><div class="items" data-v-492a0c8e><p class="title" data-v-492a0c8e>English</p><!--[--><div class="VPMenuLink" data-v-492a0c8e data-v-1b571f26><a class="VPLink link" href="/vitepress/v1/zh/reference/runtime-api" data-v-1b571f26><!--[--><span data-v-1b571f26>简体中文</span><!--]--></a></div><div class="VPMenuLink" data-v-492a0c8e data-v-1b571f26><a 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level-0 has-active" data-v-0d029714 data-v-132a47f9><div class="item" role="button" tabindex="0" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><h2 class="text" data-v-132a47f9>Reference</h2><!----></div><div class="items" data-v-132a47f9><!--[--><div class="VPSidebarItem level-1 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/site-config" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Site Config</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/frontmatter-config" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Frontmatter Config</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-1 is-link" 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class="VPSidebarItem level-2 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/default-theme-edit-link" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Edit Link</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/default-theme-last-updated" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Last Updated Timestamp</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/default-theme-search" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Search</p><!--]--></a><!----></div><!----></div><div class="VPSidebarItem level-2 is-link" data-v-132a47f9 data-v-132a47f9><div class="item" data-v-132a47f9><div class="indicator" data-v-132a47f9></div><a class="VPLink link link" href="/vitepress/v1/reference/default-theme-carbon-ads" data-v-132a47f9><!--[--><p class="text" data-v-132a47f9>Carbon Ads</p><!--]--></a><!----></div><!----></div><!--]--></div></section><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-24d6a1ec data-v-c002ede2><div class="VPDoc has-sidebar has-aside" data-v-c002ede2 data-v-b83d2fb8><!--[--><!--]--><div class="container" data-v-b83d2fb8><div class="aside" data-v-b83d2fb8><div class="aside-curtain" data-v-b83d2fb8></div><div class="aside-container" data-v-b83d2fb8><div class="aside-content" data-v-b83d2fb8><div class="VPDocAside" data-v-b83d2fb8 data-v-3117dd8f><!--[--><!--]--><!--[--><!--]--><nav aria-labelledby="doc-outline-aria-label" class="VPDocAsideOutline" data-v-3117dd8f data-v-8f1cb326><div class="content" data-v-8f1cb326><div class="outline-marker" data-v-8f1cb326></div><div aria-level="2" class="outline-title" id="doc-outline-aria-label" role="heading" data-v-8f1cb326>On this page</div><ul class="VPDocOutlineItem root" data-v-8f1cb326 data-v-999189d2><!--[--><!--]--></ul></div></nav><!--[--><!--]--><div class="spacer" data-v-3117dd8f></div><!--[--><!--]--><div class="VPDocAsideCarbonAds" data-v-3117dd8f><div class="VPCarbonAds" data-v-5c72d9ad></div></div><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-b83d2fb8><div class="content-container" data-v-b83d2fb8><!--[--><!--]--><main class="main" data-v-b83d2fb8><div style="position:relative;" class="vp-doc _vitepress_v1_reference_runtime-api" data-v-b83d2fb8><div><h1 id="runtime-api" tabindex="-1">Runtime API <a class="header-anchor" href="#runtime-api" aria-label="Permalink to &quot;Runtime API&quot;"></a></h1><p>VitePress offers several built-in APIs to let you access app data. VitePress also comes with a few built-in components that can be used globally.</p><p>The helper methods are globally importable from <code>vitepress</code> and are typically used in custom theme Vue components. However, they are also usable inside <code>.md</code> pages because markdown files are compiled into Vue <a href="https://vuejs.org/guide/scaling-up/sfc.html" target="_blank" rel="noreferrer">Single-File Components</a>.</p><p>Methods that start with <code>use*</code> indicates that it is a <a href="https://vuejs.org/guide/introduction.html#composition-api" target="_blank" rel="noreferrer">Vue 3 Composition API</a> function (&quot;Composable&quot;) that can only be used inside <code>setup()</code> or <code>&lt;script setup&gt;</code>.</p><h2 id="usedata" tabindex="-1"><code>useData</code> <span class="VPBadge info"><!--[-->composable<!--]--></span> <a class="header-anchor" href="#usedata" aria-label="Permalink to &quot;`useData` &lt;Badge type=&quot;info&quot; text=&quot;composable&quot; /&gt;&quot;"></a></h2><p>Returns page-specific data. The returned object has the following type:</p><div class="language-ts vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> VitePressData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt; {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Site-level metadata</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> site</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">SiteData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * themeConfig from .vitepress/config.js</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> theme</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">T</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Page-level metadata</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> page</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PageData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Page frontmatter</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> frontmatter</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PageData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;frontmatter&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Dynamic route params</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> params</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">PageData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;params&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> title</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> description</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> lang</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> isDark</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> dir</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> localeIndex</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Current location hash</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> hash</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Ref</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PageData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> title</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> titleTemplate</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> description</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> relativePath</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> filePath</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> headers</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Header</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[]</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> frontmatter</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> params</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Record</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">any</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> isNotFound</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> lastUpdated</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> number</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p><strong>Example:</strong></p><div class="language-vue vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">vue</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> setup</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { useData } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;vitepress&#39;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">theme</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> useData</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">script</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">template</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">h1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;{{ theme.footer.copyright }}&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">h1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">template</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span></code></pre></div><h2 id="useroute" tabindex="-1"><code>useRoute</code> <span class="VPBadge info"><!--[-->composable<!--]--></span> <a class="header-anchor" href="#useroute" aria-label="Permalink to &quot;`useRoute` &lt;Badge type=&quot;info&quot; text=&quot;composable&quot; /&gt;&quot;"></a></h2><p>Returns the current route object with the following type:</p><div class="language-ts vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Route</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> path</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> data</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> PageData</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> component</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Component</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="userouter" tabindex="-1"><code>useRouter</code> <span class="VPBadge info"><!--[-->composable<!--]--></span> <a class="header-anchor" href="#userouter" aria-label="Permalink to &quot;`useRouter` &lt;Badge type=&quot;info&quot; text=&quot;composable&quot; /&gt;&quot;"></a></h2><p>Returns the VitePress router instance so you can programmatically navigate to another page.</p><div class="language-ts vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">ts</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">interface</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Router</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Current route.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> route</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Route</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Navigate to a new URL.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> go</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Promise</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Called before the route changes. Return `false` to cancel the navigation.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onBeforeRouteChange</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Awaitable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">void</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Called before the page component is loaded (after the history state is updated).</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Return `false` to cancel the navigation.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onBeforePageLoad</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Awaitable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">void</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> |</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Called after the page component is loaded (before the page component is updated).</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onAfterPageLoad</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Awaitable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> /**</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> * Called after the route changes.</span></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> */</span></span>
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onAfterRouteChange</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">to</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> string</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Awaitable</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">void</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="withbase" tabindex="-1"><code>withBase</code> <span class="VPBadge info"><!--[-->helper<!--]--></span> <a class="header-anchor" href="#withbase" aria-label="Permalink to &quot;`withBase` &lt;Badge type=&quot;info&quot; text=&quot;helper&quot; /&gt;&quot;"></a></h2><ul><li><strong>Type</strong>: <code>(path: string) =&gt; string</code></li></ul><p>Appends the configured <a href="./site-config#base"><code>base</code></a> to a given URL path. Also see <a href="./../guide/asset-handling#base-url">Base URL</a>.</p><h2 id="content" tabindex="-1"><code>&lt;Content /&gt;</code> <span class="VPBadge info"><!--[-->component<!--]--></span> <a class="header-anchor" href="#content" aria-label="Permalink to &quot;`&lt;Content /&gt;` &lt;Badge type=&quot;info&quot; text=&quot;component&quot; /&gt;&quot;"></a></h2><p>The <code>&lt;Content /&gt;</code> component displays the rendered markdown contents. Useful <a href="./../guide/custom-theme">when creating your own theme</a>.</p><div class="language-vue vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">vue</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">template</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">h1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;Custom Layout!&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">h1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &lt;</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">Content</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> /&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;/</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">template</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span></code></pre></div><h2 id="clientonly" tabindex="-1"><code>&lt;ClientOnly /&gt;</code> <span class="VPBadge info"><!--[-->component<!--]--></span> <a class="header-anchor" href="#clientonly" aria-label="Permalink to &quot;`&lt;ClientOnly /&gt;` &lt;Badge type=&quot;info&quot; text=&quot;component&quot; /&gt;&quot;"></a></h2><p>The <code>&lt;ClientOnly /&gt;</code> component renders its slot only at client side.</p><p>Because VitePress applications are server-rendered in Node.js when generating static builds, any Vue usage must conform to the universal code requirements. In short, make sure to only access Browser / DOM APIs in beforeMount or mounted hooks.</p><p>If you are using or demoing components that are not SSR-friendly (for example, contain custom directives), you can wrap them inside the <code>ClientOnly</code> component.</p><div class="language-template vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">template</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">ClientOnly</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> &lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">NonSSRFriendlyComponent</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> /&gt;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&lt;/</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">ClientOnly</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">&gt;</span></span></code></pre></div><ul><li>Related: <a href="./../guide/ssr-compat">SSR Compatibility</a></li></ul><h2 id="frontmatter" tabindex="-1"><code>$frontmatter</code> <span class="VPBadge info"><!--[-->template global<!--]--></span> <a class="header-anchor" href="#frontmatter" aria-label="Permalink to &quot;`$frontmatter` &lt;Badge type=&quot;info&quot; text=&quot;template global&quot; /&gt;&quot;"></a></h2><p>Directly access current page&#39;s <a href="./../guide/frontmatter">frontmatter</a> data in Vue expressions.</p><div class="language-md vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">md</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">---</span></span>
<span class="line"><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">title</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">: </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Hello</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">---</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-light-font-weight:bold;--shiki-dark:#79B8FF;--shiki-dark-font-weight:bold;"># {{ $frontmatter.title }}</span></span></code></pre></div><h2 id="params" tabindex="-1"><code>$params</code> <span class="VPBadge info"><!--[-->template global<!--]--></span> <a class="header-anchor" href="#params" aria-label="Permalink to &quot;`$params` &lt;Badge type=&quot;info&quot; text=&quot;template global&quot; /&gt;&quot;"></a></h2><p>Directly access current page&#39;s <a href="./../guide/routing#dynamic-routes">dynamic route params</a> in Vue expressions.</p><div class="language-md vp-adaptive-theme"><button title="Copy code" class="copy"></button><span class="lang">md</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">-</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> package name: {{ $params.pkg }}</span></span>
<span class="line"><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">-</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> version: {{ $params.version }}</span></span></code></pre></div></div></div></main><footer class="VPDocFooter" data-v-b83d2fb8 data-v-9e12100f><!--[--><!--]--><div class="edit-info" data-v-9e12100f><div class="edit-link" data-v-9e12100f><a class="VPLink link vp-external-link-icon no-icon edit-link-button" href="https://github.com/vuejs/vitepress/edit/main/docs/en/reference/runtime-api.md" target="_blank" rel="noreferrer" data-v-9e12100f><!--[--><span class="vpi-square-pen edit-link-icon" data-v-9e12100f></span> Edit this page on GitHub<!--]--></a></div><div class="last-updated" data-v-9e12100f><p class="VPLastUpdated" data-v-9e12100f data-v-3eb659aa>Last updated: <time datetime="2025-01-06T18:08:13.000Z" data-v-3eb659aa></time></p></div></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-9e12100f><span class="visually-hidden" id="doc-footer-aria-label" data-v-9e12100f>Pager</span><div class="pager" data-v-9e12100f><a class="VPLink link pager-link prev" href="/vitepress/v1/reference/frontmatter-config" data-v-9e12100f><!--[--><span class="desc" data-v-9e12100f>Previous page</span><span class="title" data-v-9e12100f>Frontmatter Config</span><!--]--></a></div><div class="pager" data-v-9e12100f><a class="VPLink link pager-link next" href="/vitepress/v1/reference/cli" data-v-9e12100f><!--[--><span class="desc" data-v-9e12100f>Next page</span><span class="title" data-v-9e12100f>CLI</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-24d6a1ec data-v-3be7d130><div class="container" data-v-3be7d130><p class="message" data-v-3be7d130>Released under the MIT License.</p><p class="copyright" data-v-3be7d130>Copyright © 2019-present Evan You</p></div></footer><!--[--><!--]--></div></div>
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