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import{_ as i,o as a,c as t,ae as n}from"./chunks/framework.C8AWLET_.js";const g=JSON.parse('{"title":"Extending SigPro: $.plugin","description":"","frontmatter":{},"headers":[],"relativePath":"plugins/quick.md","filePath":"plugins/quick.md"}'),e={name:"plugins/quick.md"};function l(h,s,p,r,o,k){return a(),t("div",null,[...s[0]||(s[0]=[n(`<h1 id="extending-sigpro-plugin" tabindex="-1">Extending SigPro: <code>$.plugin</code> <a class="header-anchor" href="#extending-sigpro-plugin" aria-label="Permalink to &quot;Extending SigPro: \`$.plugin\`&quot;">​</a></h1><p>The plugin system is the engine&#39;s modular backbone. It allows you to inject new functionality directly into the <code>$</code> object, register custom global tags, or load external libraries seamlessly.</p><h2 id="_1-how-plugins-work" tabindex="-1">1. How Plugins Work <a class="header-anchor" href="#_1-how-plugins-work" aria-label="Permalink to &quot;1. How Plugins Work&quot;">​</a></h2><p>A plugin in <strong>SigPro</strong> is a function that receives the core instance. When you call <code>$.plugin(MyPlugin)</code>, the engine hands over the <code>$</code> object so the plugin can attach new methods or extend the reactive system.</p><h3 id="functional-plugin-example" tabindex="-1">Functional Plugin Example <a class="header-anchor" href="#functional-plugin-example" aria-label="Permalink to &quot;Functional Plugin Example&quot;">​</a></h3><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:#6A737D;--shiki-dark:#6A737D;">// A plugin that adds a simple watcher to any signal</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">const</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Logger</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;">$</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:#24292E;--shiki-dark:#E1E4E8;"> $.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">watch</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;">target</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">label</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &quot;Log&quot;</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:#6F42C1;--shiki-dark:#B392F0;"> $</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(() </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=&gt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> console.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">log</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">\`[\${</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">label</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}]:\`</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">target</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()));</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> };</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">};</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Activation</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">plugin</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Logger);</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;"> $</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">watch</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">($count, </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;Counter&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">); </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Now available globally via $</span></span></code></pre></div><hr><h2 id="_2-initialization-patterns-sigpro" tabindex="-1">2. Initialization Patterns (SigPro) <a class="header-anchor" href="#_2-initialization-patterns-sigpro" aria-label="Permalink to &quot;2. Initialization Patterns (SigPro)&quot;">​</a></h2><p>Thanks to the <strong>Synchronous Tag Engine</strong>, you no longer need complex <code>import()</code> nesting. Global tags like <code>div()</code>, <code>span()</code>, and <code>button()</code> are ready the moment you import the Core.</p><h3 id="the-natural-start-recommended" tabindex="-1">The &quot;Natural&quot; Start (Recommended) <a class="header-anchor" href="#the-natural-start-recommended" aria-label="Permalink to &quot;The &quot;Natural&quot; Start (Recommended)&quot;">​</a></h3><p>This is the standard way to build apps. It&#39;s clean, readable, and supports standard ESM imports.</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:#6A737D;--shiki-dark:#6A737D;">// main.js</span></span>
<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&#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;"> { UI } </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">from</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;sigpro/plugins&#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 style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Static import works perfectly!</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// 1. Register plugins</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">plugin</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">UI</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"></span>
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// 2. Mount your app directly</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</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&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span></code></pre></div><hr><h2 id="_3-resource-plugins-external-scripts" tabindex="-1">3. Resource Plugins (External Scripts) <a class="header-anchor" href="#_3-resource-plugins-external-scripts" aria-label="Permalink to &quot;3. Resource Plugins (External Scripts)&quot;">​</a></h2><p>You can pass a <strong>URL</strong> or an <strong>Array of URLs</strong>. SigPro will inject them as <code>&lt;script&gt;</code> tags and return a <strong>Promise</strong> that resolves when the scripts are fully loaded. This is perfect for integrating heavy third-party libraries only when needed.</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:#6A737D;--shiki-dark:#6A737D;">// Loading external libraries as plugins</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">plugin</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">([</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;https://cdn.jsdelivr.net/npm/chart.js&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;https://cdn.example.com/custom-ui-lib.js&#39;</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">]).</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">then</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:#24292E;--shiki-dark:#E1E4E8;"> console.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">log</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&quot;External resources are ready to use!&quot;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mount</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(DashboardApp);</span></span>
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">});</span></span></code></pre></div><hr><h2 id="_4-polymorphic-loading-reference" tabindex="-1">4. Polymorphic Loading Reference <a class="header-anchor" href="#_4-polymorphic-loading-reference" aria-label="Permalink to &quot;4. Polymorphic Loading Reference&quot;">​</a></h2><p>The <code>$.plugin</code> method is smart; it adapts its behavior based on the input type:</p><table tabindex="0"><thead><tr><th style="text-align:left;">Input Type</th><th style="text-align:left;">Action</th><th style="text-align:left;">Behavior</th></tr></thead><tbody><tr><td style="text-align:left;"><strong>Function</strong></td><td style="text-align:left;">Executes <code>fn($)</code></td><td style="text-align:left;"><strong>Synchronous</strong>: Immediate availability.</td></tr><tr><td style="text-align:left;"><strong>String (URL)</strong></td><td style="text-align:left;">Injects <code>&lt;script src=&quot;...&quot;&gt;</code></td><td style="text-align:left;"><strong>Asynchronous</strong>: Returns a Promise.</td></tr><tr><td style="text-align:left;"><strong>Array</strong></td><td style="text-align:left;">Processes each item in the list</td><td style="text-align:left;">Returns a Promise if any item is a URL.</td></tr></tbody></table><hr><h2 id="💡-pro-tip-when-to-use-then" tabindex="-1">💡 Pro Tip: When to use <code>.then()</code>? <a class="header-anchor" href="#💡-pro-tip-when-to-use-then" aria-label="Permalink to &quot;💡 Pro Tip: When to use \`.then()\`?&quot;">​</a></h2><p>In <strong>SigPro</strong>, you only need <code>.then()</code> in two specific cases:</p><ol><li><strong>External Assets:</strong> When loading a plugin via a URL (CDN).</li><li><strong>Strict Dependency:</strong> If your <code>App.js</code> requires a variable that is strictly defined inside an asynchronous external script (like <code>window.Chart</code>).</li></ol><p>For everything else (UI components, Router, Local State), just call <code>$.plugin()</code> and continue with your code. It&#39;s that simple.</p><hr><h3 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></h3><table tabindex="0"><thead><tr><th style="text-align:left;">Goal</th><th style="text-align:left;">Code</th></tr></thead><tbody><tr><td style="text-align:left;"><strong>Local Plugin</strong></td><td style="text-align:left;"><code>$.plugin(myPlugin)</code></td></tr><tr><td style="text-align:left;"><strong>Multiple Plugins</strong></td><td style="text-align:left;"><code>$.plugin([UI, Router])</code></td></tr><tr><td style="text-align:left;"><strong>External Library</strong></td><td style="text-align:left;"><code>$.plugin(&#39;https://...&#39;).then(...)</code></td></tr><tr><td style="text-align:left;"><strong>Hybrid Load</strong></td><td style="text-align:left;"><code>$.plugin([UI, &#39;https://...&#39;]).then(...)</code></td></tr></tbody></table>`,28)])])}const c=i(e,[["render",l]]);export{g as __pageData,c as default};
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