function normalize(keys, values) {
  var normalized = {};

  forEach(keys, function (name) {
    var value = values[name];
    normalized[name] = (value != null) ? String(value) : null;
  });
  return normalized;
}
/**
 * Normalizes a set of values to string or `null`, filtering them by a list of keys.
 *
 * @param {Array} keys The list of keys to normalize/return.
 * @param {Object} values An object hash of values to normalize.
 * @return {Object} Returns an object hash of normalized string values.
 */
Normalizes a set of values to string or `null`, filtering them by a list of keys.
@param {Array} keys The list of keys to normalize/return.
@param {Object} values An object hash of values to normalize.
@return {Object} Returns an object hash of normalized string values.
Normalizes a set of values to string or ` null ` filtering them by a list of keys . @param { Array } keys The list of keys to normalize / return . @param { Object } values An object hash of values to normalize . @return { Object } Returns an object hash of normalized string values .
function normalize(keys, values) {
  var normalized = {};
  forEach(keys, function (name) {
    var value = values[name];
    normalized[name] = (value != null) ? String(value) : null;
  });
  return normalized;
}
function normalize ( keys , values ) { var normalized = { } ; forEach ( keys , function ( name ) { var value = values [ name ] ; normalized [ name ] = ( value != null ) ? String ( value ) : null ; } ) ; return normalized ; }
Normalizes a set of values to string or `null`, filtering them by a list of keys.
Normalizes a set of values to string or ` null ` filtering them by a list of keys .