var memoizedProperty = require('../util').memoizedProperty;

function memoize(name, value, factory, nameTr) {
  memoizedProperty(this, nameTr(name), function() {
    return factory(name, value);
  });
}

function Collection(iterable, options, factory, nameTr, callback) {
  nameTr = nameTr || String;
  var self = this;

  for (var id in iterable) {
    if (Object.prototype.hasOwnProperty.call(iterable, id)) {
      memoize.call(self, id, iterable[id], factory, nameTr);
      if (callback) callback(id, iterable[id]);
    }
  }
}

/**
 * @api private
 */
module.exports = Collection;