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POember-rails & handlebars: specified templateName does not exist for one view, but does for all others
 

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  1. POember-rails & handlebars: specified templateName does not exist for one view, but does for all others
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    <p>I'm working up an ember-rails app that precompiles Handlebars assets through the rails pipeline. Everything is updated to the latest versions via <code>bundle update</code>.</p> <p>When we load the index, the ember data is not rendered to the list, despite (app/views/gigs/index.html.erb):</p> <pre><code>&lt;h1&gt;Gigs&lt;/h1&gt; &lt;script type="text/x-handlebars"&gt; {{ view App.ListGigsView }} &lt;/script&gt; &lt;script type="text/javascript"&gt; $(function() { App.gigsController.loadAll(&lt;%= @gigs.to_json.html_safe %&gt;); }); &lt;/script&gt; </code></pre> <p>So, I checked the ListGigsView, which contains the following (app/assets/javascripts/app/views/gigs/list.js):</p> <pre><code>App.ListGigsView = Ember.View.extend({ templateName: 'app/templates/gigs/list', gigsBinding: 'App.gigsController', showNew: function() { this.set('isNewVisible', true); }, hideNew: function() { this.set('isNewVisible', false); }, refreshListing: function() { App.gigsController.findAll() } }); </code></pre> <p>Seems like the templateName is pointing fine (this is similar in, say, new.js). Nonetheless, the browser console (Google Chrome Version 25.0.1364.172) keeps returning the following:</p> <p><code>Uncaught Error: assertion failed: You specified the templateName app/templates/gigs/list for &lt;App.ListGigsView:ember194&gt;, but it did not exist.</code></p> <p>Here is the file at app/assets/javascripts/app/templates/gigs/list.handlebars:</p> <pre><code>&lt;table&gt; &lt;thead&gt; &lt;tr&gt; &lt;th&gt;ID&lt;/th&gt; &lt;th&gt;Name&lt;/th&gt; &lt;/tr&gt; &lt;/thead&gt; &lt;tbody&gt; {{#each gigs}} {{view App.ShowGigView gigBinding="this"}} {{/each}} {{#if isNewVisible}} &lt;tr&gt; &lt;td&gt;*&lt;/td&gt; &lt;td&gt; {{view App.NewGigView}} &lt;/td&gt; &lt;/tr&gt; {{/if}} &lt;/tbody&gt; &lt;/table&gt; &lt;div class="commands"&gt; &lt;a href="#" {{action "showNew"}}&gt;New Gig&lt;/a&gt; &lt;a href="#" {{action "refreshListing"}}&gt;Refresh Listing&lt;/a&gt; &lt;/div&gt; </code></pre> <p>Why is the template not rendering? Running <code>Ember.TEMPLATES</code> in the console returns all the other view template links intact:</p> <pre><code>&gt; Ember.TEMPLATES =&gt; Object {app/templates/gigs/edit: function, app/templates/gigs/event: function, app/templates/gigs/show: function, application: function} </code></pre> <p>But not the one for <code>list</code>. Why is that template AWOL?</p> <ul> <li><p>For reference, I am running the following according to the browser console:</p> <p>Ember.VERSION : 1.0.0-rc.1 ember.js:339 Handlebars.VERSION : 1.0.0-rc.3 ember.js:339 jQuery.VERSION : 1.9.1</p></li> </ul> <p>-Edit: I have just discovered that including the Handlebars reference to the Event view in index.html.erb causes that template to disappear,too:</p> <pre><code>&lt;h1&gt;Gigs&lt;/h1&gt; &lt;script type="text/x-handlebars"&gt; {{ view App.ListGigsView }} &lt;/script&gt; &lt;script type="text/x-handlebars"&gt; {{ view App.EventView }} &lt;/script&gt; &lt;script type="text/javascript"&gt; $(function() { App.gigsController.loadAll(&lt;%= @gigs.to_json.html_safe %&gt;); }); &lt;/script&gt; </code></pre> <p>Why does this happen? And how can I avoid it?</p>
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