discourse/app/assets/javascripts/admin/controllers/admin-customize-themes.js.es6

import { default as computed } from "ember-addons/ember-computed-decorators";

export default Ember.Controller.extend({
  @computed("model", "model.@each")
  sortedThemes(themes) {
    return _.sortBy(themes.content, t => {
      return [
        !t.get("default"),
        !t.get("user_selectable"),
        t.get("name").toLowerCase()
      ];
    });
  }
});