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Current File : /var/www/hrms.uiet.co.in/node_modules/collect.js/dist/methods/mergeRecursive.js

'use strict';

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

module.exports = function mergeRecursive(items) {
  var merge = function merge(target, source) {
    var merged = {};

    var mergedKeys = Object.keys(Object.assign({}, target, source));

    mergedKeys.forEach(function (key) {
      if (target[key] === undefined && source[key] !== undefined) {
        merged[key] = source[key];
      } else if (target[key] !== undefined && source[key] === undefined) {
        merged[key] = target[key];
      } else if (target[key] !== undefined && source[key] !== undefined) {
        if (target[key] === source[key]) {
          merged[key] = target[key];
        } else if (!Array.isArray(target[key]) && _typeof(target[key]) === 'object' && !Array.isArray(source[key]) && _typeof(source[key]) === 'object') {
          merged[key] = merge(target[key], source[key]);
        } else {
          merged[key] = [].concat(target[key], source[key]);
        }
      }
    });

    return merged;
  };

  if (!items) {
    return this;
  }

  if (items.constructor.name === 'Collection') {
    return new this.constructor(merge(this.items, items.all()));
  }

  return new this.constructor(merge(this.items, items));
};