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margin-top: 0;
margin-bottom: 0;
font: 12px Consolas, "Liberation Mono", Menlo, Courier, monospace;
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text-decoration: none;
text-rendering: auto;
-webkit-font-smoothing: antialiased;
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margin-bottom: 0 !important;
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text-decoration: none;
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padding-right: 2px;
margin-left: -18px;
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margin-top: 1em;
margin-bottom: 16px;
font-weight: bold;
line-height: 1.4;
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.markdown-body h1 .octicon-link,
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.markdown-body h6 .octicon-link {
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visibility: hidden;
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.markdown-body h3:hover .anchor,
.markdown-body h4:hover .anchor,
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.markdown-body h1:hover .anchor .octicon-link,
.markdown-body h2:hover .anchor .octicon-link,
.markdown-body h3:hover .anchor .octicon-link,
.markdown-body h4:hover .anchor .octicon-link,
.markdown-body h5:hover .anchor .octicon-link,
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font-size: 2.25em;
line-height: 1.2;
border-bottom: 1px solid #eee;
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line-height: 1;
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padding-bottom: 0.3em;
font-size: 1.75em;
line-height: 1.225;
border-bottom: 1px solid #eee;
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font-size: 1.5em;
line-height: 1.43;
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color: #777;
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line-height: 1.1;
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margin-bottom: 16px;
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padding: 0;
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margin-bottom: 0;
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margin-top: 16px;
font-size: 1em;
font-style: italic;
font-weight: bold;
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padding: 0 16px;
margin-bottom: 16px;
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padding: 0 15px;
color: #777;
border-left: 4px solid #ddd;
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margin-top: 0;
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margin-bottom: 0;
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display: block;
width: 100%;
overflow: auto;
word-break: normal;
word-break: keep-all;
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font-weight: bold;
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padding: 6px 13px;
border: 1px solid #ddd;
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background-color: #fff;
border-top: 1px solid #ccc;
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background-color: #f8f8f8;
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max-width: 100%;
box-sizing: content-box;
background-color: #fff;
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padding: 0;
padding-top: 0.2em;
padding-bottom: 0.2em;
margin: 0;
font-size: 85%;
background-color: rgba(0,0,0,0.04);
border-radius: 3px;
}
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content: "\00a0";
}
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padding: 0;
margin: 0;
font-size: 100%;
word-break: normal;
white-space: pre;
background: transparent;
border: 0;
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margin-bottom: 16px;
}
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.markdown-body pre {
padding: 16px;
overflow: auto;
font-size: 85%;
line-height: 1.45;
background-color: #f7f7f7;
border-radius: 3px;
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word-break: normal;
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margin: 0;
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</style><title>README</title></head><body><article class="markdown-body"><div>
<p align="center">
<a href="http://ruby-hyperloop.io/" alt="Hyperloop" title="Hyperloop">
<img width="350px" src="https://camo.githubusercontent.com/b6712384a64f6b266d676d2a17964bb715603959/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f68797065726c6f6f702d6769746875622d6c6f676f2e706e67" data-canonical-src="http://ruby-hyperloop.io/images/hyperloop-github-logo.png" style="max-width:100%;">
</a>
</p>
<h2 align="center">
<a id="user-content-the-complete-isomorphic-ruby-framework" class="anchor" href="#the-complete-isomorphic-ruby-framework" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>The Complete Isomorphic Ruby Framework</h2>
<br>
<a href="http://ruby-hyperloop.io/" alt="Hyperloop" title="Hyperloop">
<img src="https://camo.githubusercontent.com/ed82555fc781d7c03b58ce52ff22e9518976dd3d/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f67697468756268797065726c6f6f7062616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubhyperloopbadge.png" style="max-width:100%;">
</a>
<a href="http://ruby-hyperloop.io/tutorials/hyperlooprails/webpacker/" alt="Tutorial page" title="Tutorial page">
<img src="https://camo.githubusercontent.com/767635fe5d95b724605c58b93295c3909997a305/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f6769746875627475746f7269616c62616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubtutorialbadge.png" style="max-width:100%;">
</a>
<a href="https://gitter.im/ruby-hyperloop/chat" alt="Gitter chat" title="Gitter chat">
<img src="https://camo.githubusercontent.com/b8977a8d6c2332418c534361001c30cca902bde1/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f67697468756267697474657262616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubgitterbadge.png" style="max-width:100%;">
</a>
</div>
<h2>
<a id="user-content-hyperloop-and-webpacker-gem-tutorial" class="anchor" href="#hyperloop-and-webpacker-gem-tutorial" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a><i></i>Hyperloop and webpacker GEM Tutorial</h2>
<p><a href="https://camo.githubusercontent.com/3dcc48084d39d97f185df527c9d29539e716f891/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f7475746f7269616c732f48797065726c6f6f702d5261696c737765627061636b65722e676966" target="_blank"><img src="https://camo.githubusercontent.com/3dcc48084d39d97f185df527c9d29539e716f891/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f7475746f7269616c732f48797065726c6f6f702d5261696c737765627061636b65722e676966" data-canonical-src="http://ruby-hyperloop.io/images/tutorials/Hyperloop-Railswebpacker.gif" style="max-width:100%;"></a></p>
<h3>
<a id="user-content-prerequisites" class="anchor" href="#prerequisites" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Prerequisites</h3>
<p>{ <a href="http://rubyonrails.org/">Ruby On Rails</a> }, { <a href="http://ruby-hyperloop.io">hyperloop GEM</a> }</p>
<p>To set up the <strong>Hyperloop</strong> GEM onto the Ruby On Rails environment, please follow the <br></p>
<a href="http://ruby-hyperloop.io/installation/#ror" alt="Tutorial page" title="Tutorial page">
<img src="https://camo.githubusercontent.com/9cb8f40710850b23eb8e30cc6ce8a18a6b8bc1b7/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f676974687562696e7374616c6c6174696f6e726f7262616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubinstallationrorbadge.png" style="max-width:100%;">
</a>
<h3>
<a id="user-content-the-goals-of-this-tutorial" class="anchor" href="#the-goals-of-this-tutorial" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>The Goals of this Tutorial</h3>
<p>We are going to setup the <a href="https://github.com/rails/webpacker">Webpacker GEM</a> and implement a simple HelloWorld app to show how Hyperloop and <a href="https://webpack.js.org/">webpack</a> are running well together.</p>
<p>You can find the final application source code here:<br></p>
<a href="https://github.com/ruby-hyperloop/hyperloop-rails-webpackergem-helloworld" alt="Tutorial source code" title="utorial source code">
<img src="https://camo.githubusercontent.com/e4cfe9113697399e23470d5ed8167ec0db04ef9e/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f676974687562736f75726365636f646562616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubsourcecodebadge.png" style="max-width:100%;">
</a>
<h3>
<a id="user-content-skills-required" class="anchor" href="#skills-required" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Skills required</h3>
<p>Working knowledge of Rails and Hyperloop required</p>
<br>
<h2>
<a id="user-content-tutorial" class="anchor" href="#tutorial" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>TUTORIAL</h2>
<h3>
<a id="user-content-part-1---webpacker-gem" class="anchor" href="#part-1---webpacker-gem" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Part 1 - Webpacker GEM</h3>
<h4>
<a id="user-content-step-11---installing-and-setting-up-the-webpacker-gem" class="anchor" href="#step-11---installing-and-setting-up-the-webpacker-gem" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.1 - Installing and setting up the Webpacker GEM:</h4>
<p>Update your Gemfile file:</p>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>Gemfile</span>
<span class="pl-k">gem</span> <span class="pl-s"><span class="pl-pds">'</span>webpacker<span class="pl-pds">'</span></span>
</pre></div>
<p>Then run:</p>
<div class="highlight highlight-source-ruby"><pre>bundle update</pre></div>
<p>Run the webpacker install generator:</p>
<pre><code>bin/rails webpacker:install
</code></pre>
<h4>
<a id="user-content-step-12---adding-libraries-into-webpack" class="anchor" href="#step-12---adding-libraries-into-webpack" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.2 - Adding libraries into Webpack:</h4>
<p><a href="https://github.com/rails/webpacker">Webpacker GEM</a> comes with the the <a href="https://yarnpkg.com/en/">YARN</a> package manager in order to install needed libraries.</p>
<p>We are going to install 4 libraries required by our application:
React, React-dom, Bootstrap and Bootswatch theme.</p>
<p>Run these commands:</p>
<pre><code>yarn add react
yarn add react-dom
yarn add bootstrap react-bootstrap
yarn add bootswatch
</code></pre>
<h4>
<a id="user-content-step-13---requiring-the-libraires" class="anchor" href="#step-13---requiring-the-libraires" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.3 - Requiring the libraires</h4>
<p>In the <code>app/javascript/packs</code> add the following two files:</p>
<div class="highlight highlight-source-js"><pre><span class="pl-c"><span class="pl-c">//</span>app/javascript/packs/client_and_server.js</span>
ReactDOM <span class="pl-k">=</span> <span class="pl-c1">require</span>(<span class="pl-s"><span class="pl-pds">'</span>react-dom<span class="pl-pds">'</span></span>);
React <span class="pl-k">=</span> <span class="pl-c1">require</span>(<span class="pl-s"><span class="pl-pds">'</span>react<span class="pl-pds">'</span></span>);
ReactBootstrap <span class="pl-k">=</span> <span class="pl-c1">require</span>(<span class="pl-s"><span class="pl-pds">'</span>react-bootstrap<span class="pl-pds">'</span></span>);</pre></div>
<div class="highlight highlight-source-js"><pre><span class="pl-c"><span class="pl-c">//</span>app/javascript/packs/client_only.js</span>
<span class="pl-c1">require</span>(<span class="pl-s"><span class="pl-pds">'</span>bootswatch/superhero/bootstrap.min.css<span class="pl-pds">'</span></span>);</pre></div>
<h4>
<a id="user-content-step-14---letting-webpack-know-react-and-reactdom-are-external" class="anchor" href="#step-14---letting-webpack-know-react-and-reactdom-are-external" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.4 - Letting Webpack know React and ReactDOM are external</h4>
<p>React and ReactDOM are being brought in by Hyperloop, so we need to let Webpack know that these libraries are external so we do not end up with more than one copy of React running. Note that you will also need to do this for your production environment.</p>
<p>In the <code>module.export</code> block, add the following to <code>development.js</code>:</p>
<div class="highlight highlight-source-js"><pre><span class="pl-c"><span class="pl-c">//</span>config/webpack/development.js</span>
externals<span class="pl-k">:</span> {
<span class="pl-s"><span class="pl-pds">"</span>react<span class="pl-pds">"</span></span><span class="pl-k">:</span> <span class="pl-s"><span class="pl-pds">"</span>React<span class="pl-pds">"</span></span>,
<span class="pl-s"><span class="pl-pds">"</span>react-dom<span class="pl-pds">"</span></span><span class="pl-k">:</span> <span class="pl-s"><span class="pl-pds">"</span>ReactDOM<span class="pl-pds">"</span></span>
},</pre></div>
<h4>
<a id="user-content-step-15---building-the-webpack-bundle" class="anchor" href="#step-15---building-the-webpack-bundle" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.5 - Building the webpack bundle</h4>
<p><strong>You will need to do this step whenever you make any changes to Webpack or add additional libraries though Yarn.</strong></p>
<p>Run the following commands in your console:</p>
<pre><code>rm -rf tmp/cache/
bin/webpack
rake environment
</code></pre>
<p>Note in the above, you should always delete your cache before building your webpack assets. <code>rake environment</code> will recompile Hyperloop.</p>
<p><i></i> In the future, when you will add a new library with webpack, it can happen that it is not correctly loaded. So, in this case, we advise to delete the <code>node_modules</code> directory, re-install libraires, re-generate the webpack file and clear Hyperloop cache and browser cache:</p>
<pre><code>rm -rf node_modules
yarn
rm -rf tmp/cache
bin/webpack
Clear Browser cache
</code></pre>
<h4>
<a id="user-content-step-16---configuring-rails-asset-pipeline" class="anchor" href="#step-16---configuring-rails-asset-pipeline" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.6 - Configuring Rails asset pipeline:</h4>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>config/initializers/assets.rb</span>
<span class="pl-c1">Rails</span>.application.config.assets.paths <span class="pl-k"><<</span> <span class="pl-c1">Rails</span>.root.join(<span class="pl-s"><span class="pl-pds">'</span>public<span class="pl-pds">'</span></span>, <span class="pl-s"><span class="pl-pds">'</span>packs<span class="pl-pds">'</span></span>).to_s</pre></div>
<h4>
<a id="user-content-step-17---adding-pack-files-to-the-asset-pipeline" class="anchor" href="#step-17---adding-pack-files-to-the-asset-pipeline" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.7 - Adding pack files to the asset pipeline:</h4>
<p>By using the Hyperloop configuration file we can directly tell our app to include the pack files in the asset pipeline:</p>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>config/initializers/hyperloop.rb</span>
<span class="pl-c1">Hyperloop</span>.configuration <span class="pl-k">do </span>|<span class="pl-smi">config</span>|
config.transport <span class="pl-k">=</span> <span class="pl-c1">:simple_poller</span>
config.import <span class="pl-s"><span class="pl-pds">'</span>client_and_server<span class="pl-pds">'</span></span>
config.import <span class="pl-s"><span class="pl-pds">'</span>client_only<span class="pl-pds">'</span></span>, <span class="pl-c1">client_only:</span> <span class="pl-c1">true</span>
<span class="pl-k">end</span></pre></div>
<p><i></i> In Rails production mode it would be necessary to include the pack files in your application main layout:</p>
<div class="highlight highlight-text-html-erb"><pre>#app/views/layouts/application.tml.erb
<span class="pl-pse"><%=</span><span class="pl-s1"> javascript_pack_tag <span class="pl-s"><span class="pl-pds">'</span>client_and_server<span class="pl-pds">'</span></span> </span><span class="pl-pse"><span class="pl-s1">%</span>></span></pre></div>
<h4>
<a id="user-content-step-18---adding-css-pack-files-to-the-asset-pipeline" class="anchor" href="#step-18---adding-css-pack-files-to-the-asset-pipeline" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 1.8 - Adding CSS pack files to the asset pipeline</h4>
<p>Add this line:</p>
<pre lang="stylesheet"><code>//app/assets/stylesheets/application.css
*= require client_only.css
</code></pre>
<p>Note: if you prefer that your CSS pack files being directly packed into the <code>client_only.js</code> you can modify the <code>config/webpack/</code> config files and run the <code>rm -rf tmp/cache/; bin/webpack; rake environment</code> again.</p>
<h3>
<a id="user-content-part-2---implementing-the-helloworld-app" class="anchor" href="#part-2---implementing-the-helloworld-app" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Part 2 - Implementing the helloworld app</h3>
<h4>
<a id="user-content-step-21---creating-the-helloworld-component" class="anchor" href="#step-21---creating-the-helloworld-component" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.1 - Creating the Helloworld component</h4>
<p>Run the hyperloop generator:</p>
<pre><code>rails g hyper:component Helloworld
</code></pre>
<p>You can view the new Component created in <code>/app/hyperloop/components/</code></p>
<h4>
<a id="user-content-step-22---updating-helloworld-component-code" class="anchor" href="#step-22---updating-helloworld-component-code" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.2 - Updating Helloworld component code</h4>
<p>Copy and paste this code into the component file you've just generated:</p>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>/app/hyperloop/components/helloworld.rb</span>
<span class="pl-k">class</span> <span class="pl-en">Helloworld<span class="pl-e"> < Hyperloop::Component</span></span>
state <span class="pl-c1">show_field:</span> <span class="pl-c1">false</span>
state <span class="pl-c1">field_value:</span> <span class="pl-s"><span class="pl-pds">"</span><span class="pl-pds">"</span></span>
render(<span class="pl-c1">DIV</span>) <span class="pl-k">do</span>
show_button
<span class="pl-c1">DIV</span>(<span class="pl-c1">class:</span> <span class="pl-s"><span class="pl-pds">'</span>formdiv<span class="pl-pds">'</span></span>) <span class="pl-k">do</span>
show_input
<span class="pl-c1">H1</span> { <span class="pl-s"><span class="pl-pds">"</span><span class="pl-pse">#{</span><span class="pl-s1">state.field_value</span><span class="pl-pse"><span class="pl-s1">}</span></span><span class="pl-pds">"</span></span> }
<span class="pl-k">end</span> <span class="pl-k">if</span> state.show_field
<span class="pl-k">end</span>
<span class="pl-k">def</span> <span class="pl-en">show_button</span>
<span class="pl-c1">BUTTON</span>(<span class="pl-c1">class:</span> <span class="pl-s"><span class="pl-pds">'</span>btn btn-info<span class="pl-pds">'</span></span>) <span class="pl-k">do</span>
state.show_field <span class="pl-k">?</span> <span class="pl-s"><span class="pl-pds">"</span>Click to hide HelloWorld input field<span class="pl-pds">"</span></span> : <span class="pl-s"><span class="pl-pds">"</span>Click to show HelloWorld input field<span class="pl-pds">"</span></span>
<span class="pl-k">end</span>.on(<span class="pl-c1">:click</span>) { mutate.show_field <span class="pl-k">!</span>state.show_field }
<span class="pl-k">end</span>
<span class="pl-k">def</span> <span class="pl-en">show_input</span>
<span class="pl-c1">H4</span> <span class="pl-k">do</span>
span{<span class="pl-s"><span class="pl-pds">'</span>Please type <span class="pl-pds">'</span></span>}
span.colored {<span class="pl-s"><span class="pl-pds">'</span>Hello World<span class="pl-pds">'</span></span>}
span{<span class="pl-s"><span class="pl-pds">'</span> in the input field below :<span class="pl-pds">'</span></span>}
br {}
span{<span class="pl-s"><span class="pl-pds">'</span>Or anything you want (^̮^)<span class="pl-pds">'</span></span>}
<span class="pl-k">end</span>
<span class="pl-c1">INPUT</span>(<span class="pl-c1">type:</span> <span class="pl-c1">:text</span>, <span class="pl-c1">class:</span> <span class="pl-s"><span class="pl-pds">'</span>form-control<span class="pl-pds">'</span></span>).on(<span class="pl-c1">:change</span>) <span class="pl-k">do </span>|<span class="pl-smi">e</span>|
state.field_value! e.target.value
<span class="pl-k">end</span>
<span class="pl-k">end</span>
<span class="pl-k">def</span> <span class="pl-en">show_text</span>
<span class="pl-c1">H1</span> { <span class="pl-s"><span class="pl-pds">"</span><span class="pl-pse">#{</span><span class="pl-s1">state.field_value</span><span class="pl-pse"><span class="pl-s1">}</span></span><span class="pl-pds">"</span></span> }
<span class="pl-k">end</span>
<span class="pl-k">end</span>
</pre></div>
<h4>
<a id="user-content-step-23---creating-the-controller" class="anchor" href="#step-23---creating-the-controller" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.3 - Creating the controller</h4>
<p>Create a <code>home_controller.rb</code> file, manually or with the command <code>rails g controller Home helloworld --skip-javascripts</code>:</p>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>app/controllers/home_controller.rb</span>
<span class="pl-k">class</span> <span class="pl-en">HomeController<span class="pl-e"> < ApplicationController</span></span>
<span class="pl-k">def</span> <span class="pl-en">helloworld</span>
<span class="pl-k">end</span>
<span class="pl-k">end</span></pre></div>
<h4>
<a id="user-content-step-24---updating-the-routesrb-file" class="anchor" href="#step-24---updating-the-routesrb-file" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.4 - Updating the routes.rb file</h4>
<div class="highlight highlight-source-ruby"><pre><span class="pl-c"><span class="pl-c">#</span>config/routes.rb</span>
root <span class="pl-s"><span class="pl-pds">'</span>home#helloworld<span class="pl-pds">'</span></span></pre></div>
<h4>
<a id="user-content-step-25---creating-the-helloworld-view-file" class="anchor" href="#step-25---creating-the-helloworld-view-file" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.5 - Creating the helloworld view file:</h4>
<div class="highlight highlight-text-html-erb"><pre>#app/views/home/helloworld.html.erb
<<span class="pl-ent">div</span> <span class="pl-e">class</span>=<span class="pl-s"><span class="pl-pds">"</span>hyperloophelloword<span class="pl-pds">"</span></span>>
<<span class="pl-ent">div</span>>
<span class="pl-pse"><%=</span><span class="pl-s1"> react_component <span class="pl-s"><span class="pl-pds">'</span>::Helloworld<span class="pl-pds">'</span></span>, {}, { <span class="pl-c1">prerender:</span> <span class="pl-c1">true</span> } </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
</<span class="pl-ent">div</span>>
</<span class="pl-ent">div</span>></pre></div>
<h4>
<a id="user-content-step-26---styling" class="anchor" href="#step-26---styling" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Step 2.6 - Styling</h4>
<p>We will add a <strong>Hyperloop</strong> logo</p>
<div class="highlight highlight-text-html-erb"><pre>#app/views/home/helloworld.html.erb
<<span class="pl-ent">div</span> <span class="pl-e">class</span>=<span class="pl-s"><span class="pl-pds">"</span>hyperloophelloword<span class="pl-pds">"</span></span>>
<<span class="pl-ent">img</span> <span class="pl-e">src</span>=<span class="pl-s"><span class="pl-pds">"</span>https://rawgit.com/ruby-hyperloop/hyperloop-js-helloworld/master/hyperloop-logo-medium-white.png?raw=true<span class="pl-pds">"</span></span>>
<<span class="pl-ent">div</span>>
<span class="pl-pse"><%=</span><span class="pl-s1"> react_component <span class="pl-s"><span class="pl-pds">'</span>::Helloworld<span class="pl-pds">'</span></span>, {}, { <span class="pl-c1">prerender:</span> <span class="pl-c1">true</span> } </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
</<span class="pl-ent">div</span>>
</<span class="pl-ent">div</span>></pre></div>
<p>And load 1 small sample stylesheet :</p>
<div class="highlight highlight-text-html-erb"><pre>#app/views/layouts/application.html.erb
<!DOCTYPE html>
<<span class="pl-ent">html</span>>
<<span class="pl-ent">head</span>>
<<span class="pl-ent">title</span>>HyperloopRailsHelloworld</<span class="pl-ent">title</span>>
<span class="pl-pse"><%=</span><span class="pl-s1"> csrf_meta_tags </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
<<span class="pl-ent">link</span> <span class="pl-e">rel</span>=<span class="pl-s"><span class="pl-pds">"</span>stylesheet<span class="pl-pds">"</span></span> <span class="pl-e">href</span>=<span class="pl-s"><span class="pl-pds">"</span>https://rawgit.com/ruby-hyperloop/hyperloop-js-helloworld/master/style.css<span class="pl-pds">"</span></span> >
<span class="pl-pse"><%=</span><span class="pl-s1"> stylesheet_link_tag <span class="pl-s"><span class="pl-pds">'</span>application<span class="pl-pds">'</span></span>, <span class="pl-c1">media:</span> <span class="pl-s"><span class="pl-pds">'</span>all<span class="pl-pds">'</span></span>, <span class="pl-s"><span class="pl-pds">'</span>data-turbolinks-track<span class="pl-pds">'</span></span>: <span class="pl-s"><span class="pl-pds">'</span>reload<span class="pl-pds">'</span></span> </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
<span class="pl-pse"><%=</span><span class="pl-s1"> javascript_include_tag <span class="pl-s"><span class="pl-pds">'</span>application<span class="pl-pds">'</span></span>, <span class="pl-s"><span class="pl-pds">'</span>data-turbolinks-track<span class="pl-pds">'</span></span>: <span class="pl-s"><span class="pl-pds">'</span>reload<span class="pl-pds">'</span></span> </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
</<span class="pl-ent">head</span>>
<<span class="pl-ent">body</span>>
<span class="pl-pse"><%=</span><span class="pl-s1"> <span class="pl-k">yield</span> </span><span class="pl-pse"><span class="pl-s1">%</span>></span>
</<span class="pl-ent">body</span>>
</<span class="pl-ent">html</span>>
</pre></div>
<h4>
<a id="user-content-final-step-running-your-app" class="anchor" href="#final-step-running-your-app" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Final step: Running your app:</h4>
<p>Start your Rails server and browse <code>http://localhost:3000</code>.</p>
<hr>
<p>You can find the final application source code here:<br></p>
<a href="https://github.com/ruby-hyperloop/hyperloop-rails-webpackergem-helloworld" alt="Tutorial source code" title="Tutorial source code">
<img src="https://camo.githubusercontent.com/e4cfe9113697399e23470d5ed8167ec0db04ef9e/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f676974687562736f75726365636f646562616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubsourcecodebadge.png" style="max-width:100%;">
</a>
<p><br><br></p>
<p>The best way to get help and contribute is to join our Gitter Chat</p>
<a href="https://gitter.im/ruby-hyperloop/chat" alt="Gitter chat" title="Gitter chat">
<img src="https://camo.githubusercontent.com/b8977a8d6c2332418c534361001c30cca902bde1/687474703a2f2f727562792d68797065726c6f6f702e696f2f696d616765732f67697468756267697474657262616467652e706e67" data-canonical-src="http://ruby-hyperloop.io/images/githubgitterbadge.png" style="max-width:100%;">
</a>
</article></body></html>