How to use

pipe

function

in

Response

  'etag': resp.headers['etag']
});
resp.pipe(res);

req.on('response', function (res) {
    if (res.statusCode !== 200) {
     badDownload = true
     cb(new Error(res.statusCode + ' response downloading ' + release.tarballUrl))
     return
    }
    // content checksum
    getContentSha(res, function (_, checksum) {
     var filename = path.basename(release.tarballUrl).trim()
     contentShasums[filename] = checksum
     log.verbose('content checksum', filename, checksum)
    })

    // start unzipping and untaring
    res.pipe(tar.extract({
     strip: 1,
     cwd: devDir,
     filter: isValid
    }).on('close', afterTarball).on('error', cb))
   })

// 代理HTTP 正常流量
app.use((req, res) => {
  const {
    method,
    headers
  } = req;

  // req => request => res
  req.pipe(
    request({
      method,
      headers,
      uri: req.url,
      // 表示解压缩数据
      gzip: true
    }, (error, response, body) => {
      // body is the decompressed response body
      // 此处可对返回数据进行处理等
      // console.log(body);
    }).on('response', response => {
      // unmodified http.IncomingMessage object
      res.writeHead(response.statusCode, response.headers);
      response.pipe(res);
    })
  );
});

response.pipe(fs.createWriteStream(target)).on('finish', () => {
 let app = (path.join(electron.app.getAppPath(), '../../../')).slice(0, -1)

  return res.pipe(feedParser);
});

r.pipe(stream).on('finish', () => {
  callback(null, fileName);
});

async function getRemoteDataFileStream(url) {
  return new Promise((resolve, reject) => {
    request
      .get(url)
      .on("error", (e) => reject(e))
      .on("response", (response) => {
        try {
          if (
            response.statusCode >= 200 &&
            response.statusCode <= 299
          ) {
            resolve(response.pipe(StreamArray.withParser()));
          } else {
            throw new Error(
              `Request failed ${url}, statusCode: ${response.statusCode}`
            );
          }
        } catch (e) {
          console.error(e);
          reject(e);
        }
      });
  });
}

.pipe(response)
.on('error', (er) => {
  console.log(`Error from upstream with ${er.message}`);

 responseObj.pipe(d);
}).on('error', function (err) {

// 代理HTTP 正常流量
app.use((req, res) => {
  const {
    method,
    headers
  } = req;

  // req => request => res
  req.pipe(
    request({
      method,
      headers,
      uri: req.url,
      // 表示解压缩数据
      gzip: true
    }, (error, response, body) => {
      // body is the decompressed response body
      // 此处可对返回数据进行处理等
      // console.log(body);
    }).on('response', response => {
      // unmodified http.IncomingMessage object
      res.writeHead(response.statusCode, response.headers);
      response.pipe(res);
    })
  );
});