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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Creating Ember.js Libraries</title>
<meta name="description" content="A framework for easily creating beautiful presentations using HTML">
<meta name="author" content="Hakim El Hattab">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="css/reveal.min.css">
<link rel="stylesheet" href="css/theme/default.css" id="theme">
<!-- For syntax highlighting -->
<link rel="stylesheet" href="lib/css/zenburn.css">
<!-- If the query includes 'print-pdf', include the PDF print sheet -->
<script>
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var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'css/print/pdf.css';
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}
</script>
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<![endif]-->
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<h1>Creating Ember.js Libraries</h1>
<h3>Building a Better Ember.js Ecosystem</h3>
<p>
<small>Created by <a href="http://codebrief.com">Gordon L. Hempton</a> / <a href="http://twitter.com/ghempton">@ghempton</a></small>
</p>
</section>
<section>
<blockquote>We will encourage you to develop the three great virtues of a programmer: <strong>laziness</strong>, impatience, and hubris.</blockquote>
<p><small>Larry Wall, creator of Perl</small></p>
</section>
<section>
<h2><3 Libraries</h2>
<p>
Libraries enable laziness.
</p>
<aside class="notes">
What is the first thing you do when implementing a general feature in a RoR app? Google for a gem.
The Ember.js ecosystem is not quite there yet.
Google search results in jquery plugins.
</aside>
</section>
<section>
<h2>Existing Ember.js Libraries</h2>
<ul>
<li><a href="http://epf.io">epf</a>, <a href="https://github.com/ebryn/ember-model">ember-model</a>, <a href="https://github.com/endlessinc/ember-restless">ember-restless</a></li>
<li><a href="https://github.com/heartsentwined/ember-auth">ember-auth</a>, <a href="https://github.com/simplabs/ember-simple-auth">ember-simple-auth</a></li>
<li><a href="https://github.com/flamejs">flame.js</a>, <a href="https://github.com/Addepar/ember-charts">ember-charts</a>, <a href="https://github.com/Addepar/ember-table">ember-table</a></li>
<li><a href="https://github.com/dockyard/ember-easyForm">ember-easyForm</a>, <a href="https://github.com/dockyard/ember-validations">ember-validations</a></li>
<li>plenty more...</li>
</ul>
</section>
<section>
<h2>Not Good Enough</h2>
<ul>
<li>Unconventional</li>
<li>Antiquated</li>
<li>Not enough</li>
<li>No one's fault</li>
</ul>
<aside class="notes">
Ember.js is maturing. Many are old and antiquated.
Library API's not quite solidified.
Views instead of components etc.
Extends beyong libraries into tutorials etc.
</aside>
</section>
<section>
<h2>Almost There</h2>
<blockquote class="twitter-tweet" width="500" align="center" lang="en"><p>Any day now developing apps for the browser is going to feel like big boy programming.</p>— Trek Glowacki (@trek) <a href="https://twitter.com/trek/statuses/438102852364292096">February 25, 2014</a></blockquote>
<script async src="http://platform.twitter.com/widgets.js" charset="utf-8"></script>
</section>
<section>
<h2>Example: Components</h2>
<p>Prime candidates for libraries.</p>
<aside class="notes">
CODE: (tag: 1-componentize)
Open existing project with contact form input.
Demonstrate componentizing label + input.
</aside>
</section>
<section>
<h2>Librarification</h2>
<p>How do you give components to other people?</p>
<aside class="notes">
CODE (tag: 2-librarification)
Put code into file in header.
Test different methods of packaging
* in Ember Namespace
* in custom namespace
* manually put into app's namespace in app.js
</aside>
</section>
<section>
<h2>The Container</h2>
<ul>
<li>Dependency injection</li>
<li>Layer of indirection (IoC)</li>
</ul>
</section>
<section>
<h2>Container Resolution</h2>
<img src="img/default-resolver.svg">
</section>
<section>
<h2>Ember App Kit</h2>
<img src="img/jj-abrams.svg">
<aside class="notes">
CODE: (tag: 3-containerization)
Use initializer with container.register().
</aside>
</section>
<section>
<h2>Overriding</h2>
<p>Container resolution allows for easy customization.</p>
<aside class="notes">
CODE: (tag: 4-customization)
Customize the input in the application
</aside>
</section>
<section>
<p>Aside: Technique used by Ember-Data and EPF:</p>
<pre><code>
App.PostSerializer = DS.RESTSerializer.extend({});
</code></pre>
</section>
<section>
<h2>DRY Things Up</h2>
<p>Use a helper instead of component.</p>
<aside class="notes">
CODE: (tag: 5-helperization)
move `input-for` component to a helper
</aside>
</section>
<section>
<h2>Think Outside the Box</h2>
<p>Get crazy, use a custom type.</p>
<aside class="notes">
CODE: (tag: 6-typification)
Create new input container type.
Create validators.
</aside>
</section>
<section>
<h2>Summary</h2>
<ul>
<li><strong>Use the container</strong>
<li>Rely on initializers</li>
<li>Use custom types (sparingly)</li>
<li>Assume no prototype extensions</li>
<li>Libraries need more first-class support</li>
</ul>
</section>
<section>
<h2>Anti-patterns</h2>
<ul>
<li>Views instead of components</li>
<li>Not using the container</li>
<li>Globals</li>
</ul>
</section>
<section>
<h2>The (Hopefully Not-Distant) Future</h2>
<ul>
<li>Custom Namespaces</li>
<li>ES6 Modules Everywhere</li>
</ul>
</section>
<section>
<h1>THE END</h1>
<h3>BY Gordon L. Hempton / <a href="http://codebrief.com">codebrief.com</a></h3>
</section>
<section>
<h1>PS: We are hiring!</h1>
<h3><a href="mailto:jobs@getoutreach.com">jobs@getoutreach.com</a></h3>
</section>
</div>
</div>
<script src="lib/js/head.min.js"></script>
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<script>
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// parallaxBackgroundSize: '2100px 900px',
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dependencies: [
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{ src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
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</body>
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