ember-spin.js
An Ember.js component for displaying a spinning loading indicator using spin.js.
See here for a demo.
Installing
bower install ember-spin.js
Usage
{{x-spinner lines=12 length=6 shadow=true color="#00F" width=20}}
You need to include x-spinner.js after you define your App = Ember.Application.create().
See this discussion
for a discussion of ways to improve this.