Alex

asyncComputed: {
    items() {
      if (this.auth.isAuth)
            return axios(/* ... */)
      else
            return Promise.resolve([])
    }
  }

export default function (Vue) {

  Vue.player = {
    isPlaying: true;
    changePlaying(){
      let before = this.isPlaying;
      this.isPlaying = !this.isPlaying;
      let after = this.isPlaying;

      console.log(before, after);
    },
  };