link-to classNameBindings

components.my-link-to.js

import Ember from 'ember';

export default Ember.LinkComponent.extend({
  classNameBindings: ['isUrgent'],
  isUrgent: true
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

templates.application.hbs

For https://github.com/emberjs/ember.js/pull/13975

<hr />

{{#my-link-to 'index'}}This link has an `is-urgent` class{{/my-link-to}}
<hr />
{{#link-to 'index' classNameBindings='isUrgent' isUrgent=true}}
  This link doens't have an `is-urgent` class
{{/link-to}}

templates.components.my-link-to.hbs

{{yield}}

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}