unsatisfiableness

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define([
  './select',
  '../utils',
  'jquery'
], function (SelectAdapter, Utils, $) {
  function ArrayAdapter ($element, options) {
    var data = options.get('data') || [];

ArrayAdapter.__super__.constructor.call(this, $element, options);

this.addOptions(this.convertToOptions(data));
  }

Utils.Extend(ArrayAdapter, SelectAdapter);

ArrayAdapter.prototype.select = function (data) {
    var $option = this.$element.find('option').filter(function (i, elm) {
      return elm.value == data.id.toString();
    });

if ($option.length === 0) {
      $option = this.option(data);

this.addOptions($option);
    }

ArrayAdapter.__super__.select.call(this, data);
  };

ArrayAdapter.prototype.convertToOptions = function (data) {
    var self = this;

var $existing = this.$element.find('option');
    var existingIds = $existing.map(function () {
      return self.item($(this)).id;
    }).get();

var $options = [];

// Filter out all items except for the one passed in the argument
    function onlyItem (item) {
      return function () {
        return $(this).val() == item.id;
      };
    }

for (var d = 0; d < data.length; d++) {
      var item = this._normalizeItem(data[d]);

// Skip items which were pre-loaded, only merge the data
      if ($.inArray(item.id, existingIds) >= 0) {
        var $existingOption = $existing.filter(onlyItem(item));

var existingData = this.item($existingOption);
        var newData = $.extend(true, {}, item, existingData);

var $newOption = this.option(newData);

$existingOption.replaceWith($newOption);

continue;
      }

var $option = this.option(item);

if (item.children) {
        var $children = this.convertToOptions(item.children);

Utils.appendMany($option, $children);
      }

$options.push($option);
    }

return $options;
  };

return ArrayAdapter;
});