text: module.exports = function repeater(str, options) {
      let repeatTimes=1, newStr='', separator='+', addition='', additionRepeatTimes=1, additionSeparator='|';
      if (options.repeatTimes != undefined) {
          repeatTimes = options.repeatTimes;
      }
      if (options.repeatTimes != undefined) {
          additionRepeatTimes = options.additionRepeatTimes;
      }
      if (options.separator != undefined) {
          separator = options.separator;
      }
      if (options.addition !== undefined) {
          addition = options.addition;
      }
      if (options.additionSeparator != undefined) {
          additionSeparator = options.additionSeparator;
      }
      for (let i = 0; i < repeatTimes; i++) {
          newStr += str;
          for (let j = 0; j < additionRepeatTimes; j++) {
              newStr += addition + additionSeparator;
              if (j+1 == additionRepeatTimes) {
                  newStr = newStr.substr(0, newStr.length-additionSeparator.length);
              }
          }
          newStr += separator;
          if (i+1 == repeatTimes) {
              newStr = newStr.substr(0, newStr.length-separator.length);
          }
      }
      return newStr;
  };