cheatsheets/riot.html

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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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<h1><span>Riot.js</span></h1>
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<h2 id="tags">Tags</h2>
<pre><code class="language-js">/* tag-name.tag */
&lt;tag-name&gt;
&lt;div&gt;
hello {name}
&lt;/div&gt;
this.name = opts.name
&lt;/tag-name&gt;
</code></pre>
<pre><code class="language-html">&lt;!-- in html --&gt;
&lt;tag-name&gt;
&lt;script&gt;riot.mount('*')&lt;/script&gt;
&lt;script&gt;riot.mount('tag-name')&lt;/script&gt;
&lt;script&gt;riot.mount('tag-name', { title: 'my app', ... })&lt;/script&gt;
</code></pre>
<h2 id="expressions">Expressions</h2>
<pre><code>{value}
{value || 'its a js expression'}
&lt;input checked={null}&gt; /* null values ignore the tag */
&lt;p class={ selected: true }&gt;
</code></pre>
<h3 id="loops">Loops</h3>
<pre><code>&lt;li each={movies}&gt;{title}&lt;/li&gt;
</code></pre>
<h3 id="conditional">Conditional</h3>
<pre><code>&lt;div if={error}&gt;
&lt;div show={error}&gt; /* show using display: '' */
&lt;div hide={error}&gt; /* hide using display: none */
</code></pre>
<h3 id="events">Events</h3>
<pre><code class="language-js">&lt;button onclick={go}&gt;
this.go = function (e) { ... }
</code></pre>
<h2 id="api">API</h2>
<pre><code class="language-js">this.update()
this.update({ data: 'hi' }
this.unmount()
this.unmount(true) // keep parent tag
riot.update() // update all
</code></pre>
<h2 id="nesting">Nesting</h2>
<pre><code>&lt;my-tag&gt;
&lt;child&gt;&lt;/child&gt;
var child = this.tags.child
&lt;/my-tag&gt;
</code></pre>
<h3 id="names">Names</h3>
<pre><code>&lt;my-tag&gt;
&lt;child name='xyz'&gt;&lt;/child&gt;
var child = this.tags.xyz
&lt;/my-tag&gt;
</code></pre>
<h2 id="nested-html">Nested HTML</h2>
<pre><code class="language-js">&lt;yield/&gt;
</code></pre>
<h3 id="yield-tofrom">Yield to/from</h3>
<pre><code class="language-js">&lt;post&gt;
&lt;yield to='title'&gt;Hello&lt;/yield&gt;
&lt;yield to='body'&gt;Hey there world&lt;/yield&gt;
&lt;/post&gt;
</code></pre>
<pre><code class="language-js">&lt;post&gt;
&lt;yield from='title'/&gt;
&lt;yield from='body'/&gt;
&lt;/post&gt;
</code></pre>
<h2 id="router">Router</h2>
<pre><code class="language-js">riot.route('customers/*/edit', (id) =&gt; {
})
riot.route('customers/234/edit')
riot.route.start()
riot.route.start(true) // exec the current url
</code></pre>
<h2 id="lifecycle">Lifecycle</h2>
<pre><code class="language-js">this.on('before-mount', function() {
// before the tag is mounted
})
this.on('mount', function() {
// right after the tag is mounted on the page
})
this.on('update', function() {
// allows recalculation of context data before the update
})
this.on('updated', function() {
// right after the tag template is updated
})
this.on('before-unmount', function() {
// before the tag is removed
})
this.on('unmount', function() {
// when the tag is removed from the page
})
// curious about all events ?
this.on('all', function(eventName) {
console.info(eventName)
})
</code></pre>
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<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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