Component({
  properties: {
    amount: {
      type: Number,
      value: 0
    },
    promotions: {
      type: Array,
      value: []
    },
    selectedCode: {
      type: Number,
      value: 0,
      observer: '_selectObserver'
    },
    info: {
      type: Object,
      value: {}
    }
  },
  data: {
    selectNum: 0
  },
  methods: {
    _selectObserver: function(val) {
      let promotionsNum = val ? 1 : 0
      this.setData({selectNum: promotionsNum})
    },
    select: function(){
     this.triggerEvent('select',{})
    }
  }
});