taro-hooks/es/useNetworkType/index.js

为 Taro 而设计的 Hooks Library

import { getNetworkType, onNetworkStatusChange, offNetworkStatusChange } from '@tarojs/taro';
import { useEffect, useState } from '@taro-hooks/core';
import { logError } from '@taro-hooks/shared';
import usePromise from '../usePromise';
function useNetworkType(autoListen) {
  if (autoListen === void 0) {
    autoListen = true;
  }
  var _useState = useState('unknown'),
    networkType = _useState[0],
    setNetworkType = _useState[1];
  var asyncGetNetworkType = usePromise(getNetworkType);
  useEffect(function () {
    asyncGetNetworkType().then(function (response) {
      setNetworkType(response.networkType);
    }, function (_ref) {
      var errMsg = _ref.errMsg;
      logError(errMsg);
      setNetworkType('unknown');
    });
  }, []);
  var listener = function listener(response) {
    setNetworkType(response.networkType);
  };
  useEffect(function () {
    if (autoListen) {
      onNetworkStatusChange(listener);
      return function () {
        offNetworkStatusChange(listener);
      };
    }
  }, [autoListen]);
  return networkType;
}
export default useNetworkType;