(function(global, factroy) {
  if (typeof define === 'function' && define.amd) {
    define([], factroy);
  } else if (typeof exports === 'object') {
    module.exports = factroy();
  } else {
    global.Qshandler = factroy();
  }
})(this, function() {
  function queryStringSpliter() {
    const key = '[^=]*';
    const val = '[^&]*';
    const keyVal = '(?:' + key + ')=(?:' + val + ')';

    return new RegExp('(?:\\?|&)(' + keyVal + ')');
  }

  const splitter = queryStringSpliter();

  function arrayify(url) {
    return url.split(splitter).filter(Boolean);
  }

  function objectify(url) {
    const arr = arrayify(url);
    const obj = {};
    for (let i = arr.length; i--;) {
      const str = arr[i];
      const keyVal = str.split('=');
      const key = keyVal[0];
      const val = keyVal[1];
      if (key) {
        obj[key] = val;
      }
    }
    return obj;
  }

  class Qshandler {
    constructor(input = '') {
      if (typeof input !== 'string') {
        throw new Error('argument is required to be typeof string but got' + typeof input);
      }
      this.input = input;
    }
    toArray() {
      return arrayify(this.input);
    }
    toJSON() {
      return objectify(this.input);
    }
  }

  return Qshandler;
});