Ember-cli-head 
This addon adds easy population of head tags from your Ember code without any direct hacky dom manipulation. This addon also provides ember-cli-fastboot compatability for generating head tags in server rendered apps.
The hope is that Ember itself will provide a mechanism for populating head tags from your app at some time in the future. Until then this addon provides that functionality.
Installation
Install by running
ember install ember-cli-head
Usage
Template
By installing this addon you will find a new template added to your app:
app/templates/head.hbs
The contents of this template will be inserted into the <head>
element of the page.
Service
There will be a model in the rendering scope of this template. This
model is actually an alias for the head-data service. You can set
whatever data you want to be available in the template directly on
that service.
Example
Setting content data in route
// app/routes/application.js
import Ember from 'ember';
const { set } = Ember;
export default Ember.Route.extend({
// inject the head data service
headData: Ember.inject.service(),
afterModel() {
set(this, 'headData.title', 'Demo App');
}
});Using the service as model in head.hbs
<meta property="og:title" content={{model.title}} />Resulting head
This will result in a document along the lines of:
<html data-ember-extension="1">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>My Ember App</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<base href="/">
<link rel="stylesheet" href="assets/vendor.css">
<link rel="stylesheet" href="assets/my-app.css">
<meta property="og:title" content="Demo App">
</head>
<body class="ember-application">
<script src="assets/vendor.js"></script>
<script src="assets/my-app.js"></script>
<div id="ember383" class="ember-view"><h2 id="title">Welcome to Ember</h2>
</div>
</body>
</html>Fastboot Only
The primary need for this library is to support various bots and web crawlers. To that end the head content is only truly needed in a server rendered (ie FastBoot) environment. However by default the library will keep the head content in sync with any transitions/data changes that occur in your Ember App while running in the browser. This can be useful for development and/or debugging.
If you do not wish to have the head content "live" while running in browser you can restrict this library to work only in FastBoot by adding the following to your config/environment.js:
module.exports = function(environment) {
var ENV = {
'ember-cli-head': {
suppressBrowserRender: true
}
};
}If you make use of this mode the content of <head> will be the static FastBoot rendered content through the life of your App.
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