discourse/app/assets/javascripts/wizard/components/invite-list-user.js.es6

import computed from 'ember-addons/ember-computed-decorators';

export default Ember.Component.extend({
  classNames: ['invite-list-user'],

  @computed('user.role')
  roleName(role) {
    return this.get('roles').findBy('id', role).label;
  },

  actions: {
    removeUser(user) {
      this.sendAction('removeUser', user);
    }
  }
});