code: function serializeArray( array, indent = INDENT, pad = 0, space ) {
     const elements = array
        .map( element => serialize( element, indent, pad + indent, space ) );
  
     return '[' + serializeList( elements, indent, pad, space ) + ']';
  }
docs: Serialize an array.
  @private
  @param {Array} array the array to serialize
  @param {Number} [indent] the number of spaces to use for indent
  @param {Number} [pad] the initial left padding
  @param {String} [space] the character(s) to use for padding
  @return {String} the serialized JavaScript code