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21 lines
448 B
21 lines
448 B
'use strict';
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module.exports = function intersectByKeys(values) {
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var _this = this;
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var intersectKeys = Object.keys(values);
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if (values instanceof this.constructor) {
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intersectKeys = Object.keys(values.all());
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}
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var collection = {};
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Object.keys(this.items).forEach(function (key) {
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if (intersectKeys.indexOf(key) !== -1) {
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collection[key] = _this.items[key];
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}
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});
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return new this.constructor(collection);
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};
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