21 lines
518 B
JavaScript
21 lines
518 B
JavaScript
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'use strict';
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module.exports = function merge(value) {
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var arrayOrObject = value;
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if (typeof arrayOrObject === 'string') {
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arrayOrObject = [arrayOrObject];
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}
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if (Array.isArray(this.items) && Array.isArray(arrayOrObject)) {
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return new this.constructor(this.items.concat(arrayOrObject));
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}
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var collection = JSON.parse(JSON.stringify(this.items));
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Object.keys(arrayOrObject).forEach(function (key) {
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collection[key] = arrayOrObject[key];
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});
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return new this.constructor(collection);
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};
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