vue中数据状态轮询过程

async getTableDataList() {
      this.tableLoading = true;
      try {
        let params = {
          page: this.dataPage,
          page_size: this.dataPagesize,
        }
        const res = await this.$axios.get(`url`, { params });
        if (res.data.code == 200) {
          this.tableLoading = false;
          this.dataTableData = res.data.data;          
          this.dataTotalNumber = res.data.paging.total;
          let isExistAnalyzing = this.dataTableData.find((item) => {
            if (item.status == 1) {
              return item;
            }
          });
          //如果存在分析中的数据
          if (isExistAnalyzing) {
            this.pollStatus();
          } else {
            this.endPollStatus()
          }
        } else {
          this.tableLoading = false;
          this.dataTableData = [];
        }
      } catch (err) {
        console.log(err);
      }
},

data() {
    return {
      pollStatusTimer: null,
    }
}

pollStatus() {
   this.endPollStatus(this.pollStatusTimer);//防止有未清除的定时器
   this.pollStatusTimer = setTimeout(() => {
      this.getDatasetStatus();
   }, 3000);
},
endPollStatus() {
  clearTimeout(this.pollStatusTimer);
},
async getDatasetStatus() {
      const res = await this.$axios.get(
        `url`
      );
      if (res.data.code == 200) {
        let statusList = res.data.data;
        this.dataTableData.forEach((item) => {
          statusList.forEach((el) => {
            if (item.id == el.id) {
              item.status = el.status;
              item.studyCount = el.studyCount;
              item.progress = el.progress == null ? 0 : Number(el.progress);
            }
          });
        });

        let incomplete = statusList.find((item) => {
          if (item.status == 1) {
            return item;
          }
        });
        if (incomplete) {
          this.pollStatus();
        } else {
          this.endPollStatus();
        }
      }
},