[Sommaire] [Imprimer]

   1  var Hash = {
   2    _each: function(iterator) {
   3      for (key in this) {
   4        var value = this[key];
   5        if (typeof value == 'function') continue;
   6        
   7        var pair = [key, value];
   8        pair.key = key;
   9        pair.value = value;
  10        iterator(pair);
  11      }
  12    },
  13    
  14    keys: function() {
  15      return this.pluck('key');
  16    },
  17    
  18    values: function() {
  19      return this.pluck('value');
  20    },
  21    
  22    merge: function(hash) {
  23      return $H(hash).inject($H(this), function(mergedHash, pair) {
  24        mergedHash[pair.key] = pair.value;
  25        return mergedHash;
  26      });
  27    },
  28    
  29    toQueryString: function() {
  30      return this.map(function(pair) {
  31        return pair.map(encodeURIComponent).join('=');
  32      }).join('&');
  33    },
  34    
  35    inspect: function() {
  36      return '#<Hash:{' + this.map(function(pair) {
  37        return pair.map(Object.inspect).join(': ');
  38      }).join(', ') + '}>';
  39    }
  40  }
  41  
  42  function $H(object) {
  43    var hash = Object.extend({}, object || {});
  44    Object.extend(hash, Enumerable);
  45    Object.extend(hash, Hash);
  46    return hash;
  47  }