code: function transformKeysToCamelCase (obj) {
    var camelKey;
    var key;
    for (key in obj) {
      camelKey = toCamelCase(key);
      if (key === camelKey) { continue; }
      obj[camelKey] = obj[key];
      delete obj[key];
    }
    return obj;
  }
docs: Converts object's keys from hyphens to camelCase (e.g., `max-value` to
  `maxValue`).
  
  @param {object} obj - The object to camelCase keys.
  @return {object} The object with keys camelCased.