var fs = require('fs');
var unzipToS3 = require('unzip-to-s3');

// Create the S3 client
var bucketUpload = unzipToS3.createClient({
  key: 'some_key',        // required
  secret: 'some_secret',  // required
  bucket: 'some_bucket',  // required
  path: 'some/path'   // optional
});

// Create the zip read stream
var zipStream = fs.createReadStream('path/to/some/file.zip');

// Unzip and upload
bucketUpload(zipStream).on('data', function (file) {
  // "file" is the file stream and object that was inflated
  // from the zip file
}).pipe(process.stdout);