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 458

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

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

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

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

    return self;
  }
end

Instance Method Details

#to_json ⇒ Object 



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# File 'opal/stdlib/json.rb', line 129

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

    for (var i = 0, length = keys.length; i < length; i++) {
      var key = keys[i];
      inspect.push(#{`key`.to_s.to_json} + ':' + #{`map[key]`.to_json});
    }

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

#to_n ⇒ Object 



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# File 'opal/stdlib/native.rb', line 490

def to_n
  %x{
    var result = {},
        keys   = self.keys,
        map    = self.map,
        bucket,
        value;

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

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

    return result;
  }
end