text: function repeater( str, options ) {
    str = String(str);
    let repeatTimes = (options.repeatTimes === undefined) ? 1 : options.repeatTimes;
    let separator = (options.separator === undefined) ? '+' : options.separator;
    let addition = (options.addition === undefined) ? '' : String(options.addition);
    let additionRepeatTimes = (options.additionRepeatTimes === undefined) ? 1 : options.additionRepeatTimes;
    let additionSeparator = (options.additionSeparator === undefined) ? "|" : options.additionSeparator;
  
    let admixture = new Array(additionRepeatTimes).fill(addition).join(additionSeparator);
    return new Array(repeatTimes).fill(str + admixture).join(separator);
  }
  
  module.exports = {
    repeater
  };
  