node request json body parser

gistfile1.txt

//souce: https://blog.logrocket.com/forget-express-js-opt-for-these-alternatives-instead/

//usage
parsed = await req.requestBodyJson();

//utility fn
function requestBodyJson(req) {
  return new Promise((resolve, reject) => {
    let body = '';

    req.on('data', (data) => {
      // This function is called as chunks of body are received
      body += data;
    });

    req.on('end', () => {
      // This function is called once the body has been fully received
      let parsed;

      try {
        parsed = JSON.parse(body);
      } catch (e) {
        reject(e);
        return;
      }

      resolve(parsed);
    });
  });
}