export default {
  inserted(el, binding, vnode) {
    // 获取element-ui定义好的scroll盒子
    const SELECTWRAP_DOM = el.querySelector('.el-table__body-wrapper')

    SELECTWRAP_DOM.addEventListener('scroll', function() {
      const sign = 100
      const scrollDistance = this.scrollHeight - this.scrollTop - this.clientHeight
      if (scrollDistance <= sign) {
        binding.value()
      }
    })
  }
}