cheatsheets/deku.html

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<title>Deku v2 cheatsheet</title>
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This is <a href="."><em>Devhints.io cheatsheets</em></a> &mdash; a collection of cheatsheets I've written.
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"headline": "Deku v2 cheatsheet",
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"description": "The one-page guide to Deku v2: usage, examples, links, snippets, and more."
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"@id": "https://devhints.io/#javascript-libraries",
"name": "JavaScript libraries"
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"item": {
"@id": "https://devhints.io/deku",
"name": "Deku v2"
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<div class='post-list -single -cheatsheet'>
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<p class='prelude'><span></span></p>
<h1><span>Deku v2</span></h1>
<ul class="social-list ">
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<div class='post-content -cheatsheet'>
<h2 id="components">Components</h2>
<pre><code class="language-js">/** @jsx element */
import { element } from 'deku'
function render ({ props, children, context, path }) {
// props = properties object
// children = children array
// path = path to current component (like 0.1.5.2)
// context = common properties in all components
return (
&lt;div class='App' hidden={props.hidden} color={context.theme.color}&gt;
{children}
&lt;/div&gt;
}
}
function onCreate ({ props, dispatch, path }) { ... }
function onUpdate ({ props, dispatch, path }) { ... }
function onRemove ({ props, dispatch, path }) { ... }
// actually { children, props, path, context }
export default { render, onCreate, onRemove }
</code></pre>
<h2 id="rendering">Rendering</h2>
<pre><code class="language-js">import { createStore } from 'redux'
import { dom, element } from 'deku'
// Create a Redux store to handle all UI actions and side-effects
let store = createStore(reducer)
// Create a renderer that can turn vnodes into real DOM elements
let render = createRenderer(document.body, store.dispatch)
// Update the page and add redux state to the context
render(
&lt;MyButton&gt;Hello World!&lt;/MyButton&gt;,
store.getState()
)
</code></pre>
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<div class="about-the-site">
<div class="container">
<p class='blurb'>
<strong><a href=".">Devhints.io cheatsheets</a></strong> is a collection of cheatsheets I've written over the years.
Suggestions and corrections? <a href='https://github.com/rstacruz/cheatsheets/issues/907'>Send them in</a>.
<i class='fleuron'></i>
I'm <a href="http://ricostacruz.com">Rico Sta. Cruz</a>.
Check out my <a href="http://ricostacruz.com/til">Today I learned blog</a> for more.
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