export default {
  data() {
    return {
      curScrollTop: 0,
    }
  },
  activated() {
    const formListContent = document.getElementsByClassName('roadWrapper')[0]
    if (this.curScrollTop && formListContent) {
      this.scrollToTop(formListContent)
    }
  },
  beforeRouteLeave(to, from, next) {
    const formListContent = document.getElementsByClassName('roadWrapper')[0]
    this.curScrollTop = (formListContent && formListContent.scrollTop) || 0
    next()
  },
  methods: {
    scrollToTop(formListContent){
      formListContent.scrollTop = this.curScrollTop
      let _me=this
      setTimeout(() => {
        if(formListContent.scrollTop < _me.curScrollTop){
          _me.scrollToTop(formListContent)
        }
      }, 100)
    },
  },
}