PK

'use strict';

module.exports = function intersect(values) {
  var intersectValues = values;

  if (values instanceof this.constructor) {
    intersectValues = values.all();
  }

  var collection = this.items.filter(function (item) {
    return intersectValues.indexOf(item) !== -1;
  });

  return new this.constructor(collection);
};

PK 99