function uploadToS3()

in website-creator/website-helper.js [76:132]
46 lines of code
13 McCabe index (conditional complexity)

    function uploadToS3(filelist, index, destS3Bucket, destS3KeyPrefix, region, connectInstanceName, cb) {
      if (filelist.length > index) {

          var response = fs.readFileSync(filelist[index], 'utf8');
          var fileDetails = filelist[index]
          fileDetails = fileDetails.substring(2, fileDetails.length);

          let params2 = {
              Bucket: destS3Bucket,
              Key: destS3KeyPrefix + '/' + fileDetails,
              Body: response
          };
            if (filelist[index].endsWith('.htm') || filelist[index].endsWith('.html')) {
                params2.ContentType = "text/html";
            } else if (filelist[index].endsWith('.css')) {
                params2.ContentType = "text/css";
            } else if (filelist[index].endsWith('.js')) {
                params2.ContentType = "application/javascript";
                response = response.replace(/CUSTOMER-CONNECT-INSTANCE/g, connectInstanceName).replace(/CUSTOMER-CONNECT-REGION/g, region);
                params2.Body = response;
            } else if (filelist[index].endsWith('.png')) {
                params2.ContentType = "image/png";
            } else if (filelist[index].endsWith('.jpg') || filelist[index].endsWith('.jpeg')) {
                params2.ContentType = "image/jpeg";
              } else if (filelist[index].endsWith('.pdf')) {
                  params2.ContentType = "application/pdf";
            } else if (filelist[index].endsWith('.gif')) {
                params2.ContentType = "image/gif";
            } else if (filelist[index].endsWith('.svg')) {
                params2.ContentType = "image/svg+xml";
            };

          s3.putObject(params2, function(err, data) {
                if (err) {
                    console.log(err);
                    return cb(['error copying ', [filelist[index]].join('/'), '\n', err]
                        .join(
                            ''),
                        null);
                }

                console.log([
                    [filelist[index]].join('/'), 'uploaded successfully'
                ].join(' '));
                let _next = index + 1;
                uploadToS3(filelist, _next, destS3Bucket, destS3KeyPrefix, region, connectInstanceName, function(err, resp) {
                    if (err) {
                        return cb(err, null);
                    }

                    cb(null, resp);
                });
            });
        } else {
            cb(null, [index, 'files copied'].join(' '));
        }
    }