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

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