code: function composeObject (src, srcKey, dest, destKey, transform) {
              if (_.isUndefined(src)) {
                  return;
              }
              var value = src[srcKey];
              if (_.isUndefined(value)) {
                  return;
              }
              if (_.isArray(value) && _.isEmpty(value)) {
                  return;
              }
              
              if (_.isObject(value) && _.isEmpty(value)) {
                  return;
              }
              
              if (transform) {
                  value = transform(value);
              }
              
              dest[destKey || srcKey] = value;
          }
docs: Copies from the src object to the dest object. Simply: dest[destKey] = transform(src[srcKey]);