gistfile1.js

// Prototype toQueryString fix

(function(){
  'use strict';
  
  function typeOf(obj) {
    if (obj instanceof Date) {
      return 'date';
    } else if (Object.isArray(obj)) {
      return 'array';
    } else return typeof obj;
  }
  
  function queryPair(key, value){
    switch(typeOf(value)) {
      case 'object': return $H(value).toQueryString(key);
      case 'array': return value.map(function(val){ return queryPair(key+'[]', val); }).join('&');
      default: return key+'='+encodeURIComponent(String.interpret(value));
    }
  }
  
  Hash.prototype._toQueryString = Hash.prototype.toQueryString;
  
  Hash.prototype.toQueryString = function(base){
    return this.map(function(pair){
      var key = pair.key, value = pair.value;
      if (base) { key = base+'['+key+']'; }
      if (value != undefined) { return queryPair(key, value); }
    }).compact().join('&');
  };
  
})();