import{_ as s,o as i,c as a,ae as e}from"./chunks/framework.C8AWLET_.js";const k=JSON.parse('{"title":"🔌 Application Mounter: $.mount( )","description":"","frontmatter":{},"headers":[],"relativePath":"api/mount.md","filePath":"api/mount.md"}'),n={name:"api/mount.md"};function l(o,t,h,r,p,d){return i(),a("div",null,[...t[0]||(t[0]=[e(`<h1 id="🔌-application-mounter-mount" tabindex="-1">🔌 Application Mounter: <code>$.mount( )</code> <a class="header-anchor" href="#🔌-application-mounter-mount" aria-label="Permalink to &quot;🔌 Application Mounter: \`$.mount( )\`&quot;">​</a></h1><p>The <code>$.mount</code> function is the entry point of your reactive world. It bridges the gap between your SigPro logic and the browser&#39;s Real DOM by injecting a component into the document and initializing its reactive lifecycle.</p><h2 id="🛠️-function-signature" tabindex="-1">🛠️ Function Signature <a class="header-anchor" href="#🛠️-function-signature" aria-label="Permalink to &quot;🛠️ Function Signature&quot;">​</a></h2><div class="language-typescript vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">typescript</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 style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mount</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(node: Function </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">|</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HTMLElement, target</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">?:</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> string </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">|</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HTMLElement): RuntimeObject</span></span></code></pre></div><table tabindex="0"><thead><tr><th style="text-align:left;">Parameter</th><th style="text-align:left;">Type</th><th style="text-align:left;">Default</th><th style="text-align:left;">Description</th></tr></thead><tbody><tr><td style="text-align:left;"><strong><code>node</code></strong></td><td style="text-align:left;"><code>Function</code> or <code>Node</code></td><td style="text-align:left;"><strong>Required</strong></td><td style="text-align:left;">The component function or DOM element to render.</td></tr><tr><td style="text-align:left;"><strong><code>target</code></strong></td><td style="text-align:left;"><code>string</code> or <code>Node</code></td><td style="text-align:left;"><code>document.body</code></td><td style="text-align:left;">CSS selector or DOM element where the app will live.</td></tr></tbody></table><p><strong>Returns:</strong> A <code>Runtime</code> object containing the <code>container</code> and a <code>destroy()</code> method to wipe all reactivity and DOM nodes.</p><hr><h2 id="📖-common-usage-scenarios" tabindex="-1">📖 Common Usage Scenarios <a class="header-anchor" href="#📖-common-usage-scenarios" aria-label="Permalink to &quot;📖 Common Usage Scenarios&quot;">​</a></h2><h3 id="_1-the-spa-entry-point" tabindex="-1">1. The SPA Entry Point <a class="header-anchor" href="#_1-the-spa-entry-point" aria-label="Permalink to &quot;1. The SPA Entry Point&quot;">​</a></h3><p>In a Single Page Application, you typically mount your main component to the body or a root div. SigPro manages the entire view from that point.</p><div class="language-javascript vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">javascript</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;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> { $ } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;./sigpro.js&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">import</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> App </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;./App.js&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Mounts your main App component</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mount</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(App, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;#app-root&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><h3 id="_2-reactive-islands" tabindex="-1">2. Reactive &quot;Islands&quot; <a class="header-anchor" href="#_2-reactive-islands" aria-label="Permalink to &quot;2. Reactive &quot;Islands&quot;&quot;">​</a></h3><p>SigPro is perfect for adding reactivity to static pages. You can mount small widgets into specific parts of an existing HTML layout.</p><div class="language-javascript vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">javascript</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;">const</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Counter</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> () </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">  const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> count</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> $</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">  return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Button</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">({ </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">onclick</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">: () </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> count</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">c</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> c </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">+</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 1</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) }, [</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">    &quot;Clicks: &quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, count</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">  ]);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">};</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Mount only the counter into a specific sidebar div</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mount</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Counter, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;#sidebar-widget&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><hr><h2 id="🔄-how-it-works-lifecycle-cleanup" tabindex="-1">🔄 How it Works (Lifecycle &amp; Cleanup) <a class="header-anchor" href="#🔄-how-it-works-lifecycle-cleanup" aria-label="Permalink to &quot;🔄 How it Works (Lifecycle &amp; Cleanup)&quot;">​</a></h2><p>When <code>$.mount</code> is executed, it performs these critical steps to ensure a leak-free environment:</p><ol><li><strong>Duplicate Detection</strong>: If you call <code>$.mount</code> on a target that already has a SigPro instance, it automatically calls <code>.destroy()</code> on the previous instance. This prevents &quot;Zombie Effects&quot; from stacking in memory.</li><li><strong>Internal Scoping</strong>: It executes the component function inside an internal <strong>Reactive Owner</strong>. This captures every <code>$.watch</code> and event listener created during the render.</li><li><strong>Target Injection</strong>: It clears the target using <code>replaceChildren()</code> and appends the new component.</li><li><strong>Runtime Creation</strong>: It returns a control object: <ul><li><code>container</code>: The actual DOM element created.</li><li><code>destroy()</code>: The &quot;kill switch&quot; that runs all cleanups, stops all watchers, and removes the element from the DOM.</li></ul></li></ol><hr><h2 id="🛑-manual-unmounting" tabindex="-1">🛑 Manual Unmounting <a class="header-anchor" href="#🛑-manual-unmounting" aria-label="Permalink to &quot;🛑 Manual Unmounting&quot;">​</a></h2><p>While SigPro handles most cleanups automatically (via <code>$.If</code>, <code>$.For</code>, and <code>$.router</code>), you can manually destroy any mounted instance. This is vital for imperatively managed UI like <strong>Toasts</strong> or <strong>Modals</strong>.</p><div class="language-javascript vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">javascript</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;">const</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> instance</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mount</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(MyToast, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;#toast-container&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Later, to remove the toast and kill its reactivity:</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">instance.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">destroy</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span></code></pre></div><hr><h2 id="💡-summary-cheat-sheet" tabindex="-1">💡 Summary Cheat Sheet <a class="header-anchor" href="#💡-summary-cheat-sheet" aria-label="Permalink to &quot;💡 Summary Cheat Sheet&quot;">​</a></h2><table tabindex="0"><thead><tr><th style="text-align:left;">Goal</th><th style="text-align:left;">Code Pattern</th></tr></thead><tbody><tr><td style="text-align:left;"><strong>Mount to body</strong></td><td style="text-align:left;"><code>$.mount(App)</code></td></tr><tr><td style="text-align:left;"><strong>Mount to CSS Selector</strong></td><td style="text-align:left;"><code>$.mount(App, &#39;#root&#39;)</code></td></tr><tr><td style="text-align:left;"><strong>Mount to DOM Node</strong></td><td style="text-align:left;"><code>$.mount(App, myElement)</code></td></tr><tr><td style="text-align:left;"><strong>Clean &amp; Re-mount</strong></td><td style="text-align:left;">Calling <code>$.mount</code> again on the same target</td></tr><tr><td style="text-align:left;"><strong>Total Cleanup</strong></td><td style="text-align:left;"><code>const app = $.mount(App); app.destroy();</code></td></tr></tbody></table>`,25)])])}const g=s(n,[["render",l]]);export{k as __pageData,g as default};
