VUE开发一个组件——Vue list列表滑动删除

<ul>
    <li 
        v-for="(item,index) in list"
        :class="{move:candelete.id==item.id}"
        @touchstart="touchStart(item)"
        @touchend="touchEnd(item)"
    >
      {{item.text}}{{item.id}}
      <div class="del" @click="deleteItem(index)">删除</div>
    </li>
</ul>

li{
  background: #fdfdfd;
  border-bottom: 1px solid #e1e1e1;
  line-height: 40px;
  position: relative;
  transform: translateX(0);
  transition: all .3s; /*滑动效果更生动*/
  padding-left: 10px;
}
ul{
  overflow-x: hidden; /*隐藏ul x轴的滚动条*/
}
li.move {
  transform: translateX(-60px); /*滑动后x轴位移-60px,使其可见*/
}
.del {
  position: absolute;
  top: 0;
  right: -1px;
  z-index: 3;
  width: 60px;
  height: 100%;
  text-align: center;
  color: #fff;
  background-color: #ff5b45;
  transform: translateX(60px); /*默认x轴位移60px，使其隐藏*/
}

data() {
    return {
        // 数据
        list: [{
          id: 1,
          text: '请左滑动删除我吧'
        },{
          id: 2,
          text: '请左滑动删除我吧'
        },{
          id: 3,
          text: '请左滑动删除我吧'
        },{
          id: 4,
          text: '请左滑动删除我吧'
        },{
          id: 5,
          text: '请左滑动删除我吧'
        },{
          id: 6,
          text: '请左滑动删除我吧'
        }],
        clientNum: {}, // 记录开始滑动（x1）,结束滑动（x2）的鼠标指针的位置
        candelete: {}, // 滑动的item
    }
}

methods: {
  /**
    * 删除item
    * index是下标
  */
  deleteItem(index){
    this.list.splice(index, 1)
    // splice方法是删除数组某条数据，或者向某个位置添加数据
  },
  touchStart(item) {
    let touchs = event.changedTouches[0];
    // 记录开始滑动的鼠标位置
    this.clientNum.x1 = touchs.pageX;
    this.candelete = {};
  },
  touchEnd(item) {
    let touchs = event.changedTouches[0];
    // 记录结束滑动的鼠标位置
    this.clientNum.x2 = touchs.pageX;
    this.candelete = {};
    // 判断滑动距离大于50，判定为滑动成功，否则失败
    if (
      this.clientNum.x2 < this.clientNum.x1 &&
      Math.abs(this.clientNum.x1) - Math.abs(this.clientNum.x2) > 50
    ) {
      event.preventDefault();
      this.candelete = item;
    } else if (
      this.clientNum.x2 > this.clientNum.x1 &&
      Math.abs(this.clientNum.x2) - Math.abs(this.clientNum.x1) > 10
    ) {
      event.preventDefault();
      this.candelete = {};
    }
  }
}