text: import Mixin from '@ember/object/mixin';
  import { get } from '@ember/object';
  import { inject as service } from '@ember/service';
  
  export default Mixin.create({
  
    scrollMagic: service(),
  
    activate() {
      this._super(...arguments);
      get(this, 'scrollMagic').addController();
    },
  
    willDestroy() {
      this._super(...arguments);
      get(this, 'scrollMagic').destroyController();
    }
  
  });
  