chatai/dist/dev/mp-weixin/hooks/usePolling.js

"use strict";
const common_vendor = require("../common/vendor.js");
function usePolling(fun, options) {
  const result = common_vendor.ref(null);
  const error = common_vendor.ref(null);
  const {
    time = 2e3,
    totalTime,
    count,
    callback = () => false
  } = options || {};
  let timer = null;
  let endTime = null;
  let totalCount = 0;
  const run = () => {
    console.log("count2:", count);
    if (endTime && endTime <= Date.now()) {
      console.log("结束？？");
      end();
      callback();
      return;
    }
    if (count && totalCount >= count) {
      console.log("结束？？");
      end();
      callback();
      return;
    }
    totalCount++;
    timer = setTimeout(() => {
      fun().then((res) => {
        result.value = res;
        run();
      }).catch((err) => {
        error.value = err;
      });
    }, time);
  };
  const start = () => {
    endTime = totalTime ? Date.now() + totalTime : null;
    console.log("不是运行了吗？？");
    run();
  };
  const end = () => {
    setTimeout(() => {
      clearTimeout(timer);
      timer = null;
      endTime = null;
      totalCount = 0;
    }, 0);
  };
  return {
    start,
    end,
    error,
    result
  };
}
exports.usePolling = usePolling;