17 lines
433 B
JavaScript
17 lines
433 B
JavaScript
'use strict';
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module.exports = function diffKeys(object) {
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var objectToDiff;
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if (object instanceof this.constructor) {
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objectToDiff = object.all();
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} else {
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objectToDiff = object;
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}
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var objectKeys = Object.keys(objectToDiff);
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var remainingKeys = Object.keys(this.items).filter(function (item) {
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return objectKeys.indexOf(item) === -1;
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});
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return new this.constructor(this.items).only(remainingKeys);
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}; |