import {TsdbDataClient} from '@baiducloud/sdk';  
// use babel to escape to require keyword
// or use var TsdbDataClient = require('@baiducloud/sdk').TsdbDataClient;

const config = {
    endpoint: <Endpoint>,                  // user's time series database domain name, with the format such as http://{databaseName}.tsdb.iot.gz.baidubce.com
    credentials: {
        ak: <AccessKeyID>,                //your AccessKey
        sk: <SecretAccessKey>              //your SecretAccessKey
    }
};

let client = new TsdbDataClient(config);

client.getMetrics()                             // call the needed interface
    .then(response => console.log(response))    // successful
    .catch(error => console.error(error));      // failed