How to configure intervals and max_attempts in aws S3 javascript SDK

Question

I am using aws S3 nodejs sdk and I need to check if the file exists in my bucket as quickly as possible.

The default parameters of the AWS.S3.waitFor () method check for the existence of an object every 5 seconds with 20 max attempts. I needed to check it every 2 seconds, if possible. I can modify the configuration file (s3-2006-03-01.waiters.json) to achieve this, but I am looking for a programmatic way to do this. Is there any way to achieve this? My code is as follows:

    s3.waitFor('objectExists',{
              Bucket : 'XXXXX',
              Key : _Key,
            },function (err){

                  if(err){
                    return _callback(err);
                  }
                  return _callback(false);

            });

Answer 1

(28 2016 ) . Github AWS SDK JS .