code: function $vals(params) {
      if (params == null) {
          return params;
      }
      if (params != null && typeof params === 'object') {
          return Object.keys(params).map(k => params[k]);
      }
      throw new Error('$vals expects object');
  }
docs: Return the values of an object
  
  @param {any} params
  @returns {any[]}