Class: Hash

Inherits:
Object show all
Defined in:
opal/stdlib/json.rb,
opal/stdlib/native.rb

Instance Method Summary collapse

Constructor Details

#initialize(defaults = undefined, &block) ⇒ Hash

Returns a new instance of Hash


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# File 'opal/stdlib/native.rb', line 447

def initialize(defaults = undefined, &block)
  %x{
    if (defaults != null) {
      if (defaults.constructor === Object) {
        var _map = self.map,
            smap = self.smap,
            keys = self.keys,
            map, khash, value;

        for (var key in defaults) {
          value = defaults[key];

          if (key.$$is_string) {
            map = smap;
            khash = key;
          } else {
            map = _map;
            khash = key.$hash();
          }

          if (value && value.constructor === Object) {
            map[khash] = #{Hash.new(`value`)};
          }
          else {
            map[khash] = #{Native(`value`)};
          }

          keys.push(key);
        }
      }
      else {
        self.none = defaults;
      }
    }
    else if (block !== nil) {
      self.proc = block;
    }

    return self;
  }
end

Instance Method Details

#to_jsonObject


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# File 'opal/stdlib/json.rb', line 137

def to_json
  %x{
    var inspect = [],
        keys = self.keys,
        _map = self.map,
        smap = self.smap,
        map, khash;

    for (var i = 0, length = keys.length; i < length; i++) {
      var key = keys[i];

      if (key.$$is_string) {
        map = smap;
        khash = key;
      } else {
        map = _map;
        khash = key.$hash();
      }

      inspect.push(#{`key`.to_s.to_json} + ':' + #{`map[khash]`.to_json});
    }

    return '{' + inspect.join(', ') + '}';
  }
end

#to_nObject


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# File 'opal/stdlib/native.rb', line 489

def to_n
  %x{
    var result = {},
        keys   = self.keys,
        _map   = self.map,
        smap   = self.smap,
        map, khash, value, key;

    for (var i = 0, length = keys.length; i < length; i++) {
      key   = keys[i];

      if (key.$$is_string) {
        map = smap;
        khash = key;
      } else {
        map = _map;
        khash = key.$hash();
      }

      value = map[khash];

      if (#{`value`.respond_to? :to_n}) {
        result[key] = #{`value`.to_n};
      }
      else {
        result[key] = value;
      }
    }

    return result;
  }
end