Function getPRInfo

bin/checkout-pr.js:65–112

* Fetch PR information * @param {string} prUrl - PR url

(prUrl)

 * @param {string} prUrl - PR url
 */
function getPRInfo(prUrl) {
  const options = {
    ...parseURL(prUrl),
    headers: {
      'User-Agent': 'Node.js https client',
    },
  };
  return new Promise((resolve, reject) => {
    https
      .get(options, res => {
        const {statusCode} = res;
        const contentType = res.headers['content-type'];

        let error;
        if (statusCode !== 200) {
          error = new Error('Request Failed.\n' + `Status Code: ${statusCode}`);
        } else if (!/^application\/json/.test(contentType)) {
          error = new Error(
            'Invalid content-type.\n' +
              `Expected application/json but received ${contentType}`,
          );
        }
        if (error) {
          console.error(error.message);
          // Consume response data to free up memory
          res.resume();
          return reject(error);
        }

        res.setEncoding('utf8');
        let rawData = '';
        res.on('data', chunk => {
          rawData += chunk;
        });
        res.on('end', () => {
          try {
            const parsedData = JSON.parse(rawData);
            resolve(parsedData);
          } catch (e) {
            reject(e);
          }
        });
      })
      .on('error', e => {
        reject(e);
      });
  });
}

/**
 * Run `git` command with the arguments