@taro-hooks/use-request/es/plugins/useRetryPlugin.js

useRequest hook for Taro

import { useRef } from '@taro-hooks/core';
var useRetryPlugin = function useRetryPlugin(fetchInstance, _ref) {
  var retryInterval = _ref.retryInterval,
    retryCount = _ref.retryCount;
  var timerRef = useRef();
  var countRef = useRef(0);
  var triggerByRetry = useRef(false);
  if (!retryCount) {
    return {};
  }
  return {
    onBefore: function onBefore() {
      if (!triggerByRetry.current) {
        countRef.current = 0;
      }
      triggerByRetry.current = false;
      if (timerRef.current) {
        clearTimeout(timerRef.current);
      }
    },
    onSuccess: function onSuccess() {
      countRef.current = 0;
    },
    onError: function onError() {
      countRef.current += 1;
      if (retryCount === -1 || countRef.current <= retryCount) {
        // Exponential backoff
        var timeout = retryInterval != null ? retryInterval : Math.min(1000 * Math.pow(2, countRef.current), 30000);
        timerRef.current = setTimeout(function () {
          triggerByRetry.current = true;
          fetchInstance.refresh();
        }, timeout);
      } else {
        countRef.current = 0;
      }
    },
    onCancel: function onCancel() {
      countRef.current = 0;
      if (timerRef.current) {
        clearTimeout(timerRef.current);
      }
    }
  };
};
export default useRetryPlugin;