In the root of your ember-cli project directory, run:

  ember install ember-cli-spinjs

Now you in your templates you can use {{ember-spinner}} to add a spinner to your page.

View Demo

{{ember-spinner}}

Default

{{ember-spinner config='standard'}}

Add two folders to your app the first called config and in that folder another called ember-spinner with a file called standard.js

export default {
  color:  'blue',
  lines:  10,
  length: 30,
  zIndex: 200000
}

{{ember-spinner lines=11 length=16 radius=30 width=8 rotate=10 speed='1.1' color="#ffc52e"}}

Spinning Lines

{{ember-spinner lines=18 radius=10 width=5 rotate=0 speed="3.4" color='blue'}}

Fast spinning blue dots.

The Spin.js docs

Cheers