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PODetect URL change and grab URL in EmberJS (using Discourse)
 

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  1. PODetect URL change and grab URL in EmberJS (using Discourse)
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    <p>I'm using Discourse (<a href="http://www.discourse.org/" rel="nofollow noreferrer">http://www.discourse.org/</a>), which is built on EmberJS, and trying to observe any time the URL changes, e.g. when opening a new topic. I've seen the answer for observing the currentPath, for example here: <a href="https://stackoverflow.com/questions/14425276/detect-route-transitions-in-emberjs-1-0-0-pre-4">Detect route transitions in EmberJS 1.0.0-pre.4</a></p> <pre><code>App.ApplicationController = Ember.Controller.extend({ routeChanged: function(){ // the currentPath has changed; }.observes('currentPath'); }); </code></pre> <p>But I'm trying to detect <em>any</em> URL change, not just a path change. As mentioned in the comments for that answer:</p> <blockquote> <p>This observer doesn't fire when transitioning from for example <code>/pages/1</code> to <code>/pages/2</code> because the path is staying the same: <code>pages.page.index</code></p> </blockquote> <p>What I'd like to do is actually detect those aforementioned transitions which don't get triggered by <code>observes('currentPath')</code>. Along those lines, if I do <code>this.get('currentPath');</code> inside of my function, I get something like <code>topic.fromParams</code> but I actually am interested in the URL path e.g. <code>/t/this-is-my-url-slug</code>. </p> <p>To put it simply, I'd like to detect when the app goes from:</p> <pre><code>/t/this-is-my-url-slug </code></pre> <p>to</p> <pre><code>/t/another-url-slug </code></pre> <p><em>and</em> be able to capture the path: <code>/t/another-url-slug</code></p> <p>Sorry but I'm a bit of an Ember n00b and my only experience with it is through Discourse. Any ideas?</p>
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    1. COdid you have a look at this http://stackoverflow.com/questions/16471068/how-do-i-retrieve-the-path-of-a-route/16471545#16471545 ?
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    2. COif your use case is more generic you could also use `window.location.href` and the `hashchange` event and do a "".split('#')` on the URL string... just thinking
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    3. CODidn't see that one, no. It is a potential way to compute the URL, but the currentPath alone isn't enough, I would also need to have the model. `topic.fromParams` can't generate the route alone unless I know which topic id, and I can't figure out how to detect which topic is in the current set of params. This is using Ember routing which does not use hash routes but properly formed routes e.g. `localhost/t/slug', so hash change detection won't work.
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