@taro-hooks/use-request/es/utils/isOnline.js

useRequest hook for Taro

import { getNetworkType } from '@tarojs/taro';
export default function isOnline() {
  return new Promise(function (resolve, reject) {
    getNetworkType().then(function (result) {
      return resolve(result.networkType !== 'none');
    })["catch"](reject);
  });
}