cyclejs-utils
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A few utility functions for dealing with merging of sinks
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<h1> cyclejs-utils</h1>
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<h1 id="cyclejs-utils">cyclejs-utils</h1>
<p>A few helper functions for dealing with sinks</p>
<h2 id="links">Links</h2>
<p>git repository: <a href="https://github.com/cyclejs-community/cyclejs-util">https://github.com/cyclejs-community/cyclejs-util</a></p>
<p>npm package: <a href="https://www.npmjs.com/package/cyclejs-utils">https://www.npmjs.com/package/cyclejs-utils</a></p>
<p>typedoc documentation: <a href="https://cyclejs-community.github.io/cyclejs-utils/">https://cyclejs-community.github.io/cyclejs-utils/</a></p>
<h2 id="usage">Usage</h2>
<p>The most useful functions are <code>mergeSinks</code> and <code>extractSinks</code>.</p>
<pre><code class="language-ts"><span class="hljs-keyword">import</span> { ChildComponent } <span class="hljs-keyword">from</span> <span class="hljs-string">'XXX'</span>
<span class="hljs-keyword">import</span> { mergeSinks, extractSinks } <span class="hljs-keyword">from</span> <span class="hljs-string">'cyclejs-utils'</span>
<span class="hljs-keyword">const</span> drivers = { <span class="hljs-comment">/* ... */</span> };
<span class="hljs-keyword">const</span> driverNames = <span class="hljs-built_in">Object</span>.keys(drivers);
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">main</span>(<span class="hljs-params">sources</span>)
</span>{
<span class="hljs-keyword">const</span> children$: Stream<Sinks[]> = sources.state
.map(<span class="hljs-function"><span class="hljs-params">s</span> =></span> s.childState.map(<span class="hljs-function"><span class="hljs-params">c</span> =></span> ChildComponent(sources)));
<span class="hljs-comment">// Merge all children Sinks automaticly, but combine DOM and display in div</span>
<span class="hljs-keyword">const</span> child$: Stream<Sinks> = children$.map(<span class="hljs-function"><span class="hljs-params">arr</span> =></span> mergeSinks(arr, {
DOM: <span class="hljs-function"><span class="hljs-params">arr</span> =></span> xs.combine(...arr).map(div)
}));
<span class="hljs-keyword">return</span> extractSinks(child$, driverNames),
}</code></pre>
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