20 lines
423 B
JavaScript
20 lines
423 B
JavaScript
'use strict';
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module.exports = function intersectByKeys(values) {
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let 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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const collection = {};
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Object.keys(this.items).forEach((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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