my-idlers/node_modules/collect.js/dist/methods/intersect.js

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'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);
};