Liferay.Loader.define('site-navigation-item-selector-web$deepmerge@2.2.1/index', ['module', 'exports', 'require', 'site-navigation-item-selector-web$is-mergeable-object'], function (module, exports, require) {
	var define = undefined;
	var global = window;
	{
		var defaultIsMergeableObject = require('site-navigation-item-selector-web$is-mergeable-object');

		function emptyTarget(val) {
			return Array.isArray(val) ? [] : {};
		}

		function cloneUnlessOtherwiseSpecified(value, options) {
			return options.clone !== false && options.isMergeableObject(value) ? deepmerge(emptyTarget(value), value, options) : value;
		}

		function defaultArrayMerge(target, source, options) {
			return target.concat(source).map(function (element) {
				return cloneUnlessOtherwiseSpecified(element, options);
			});
		}

		function mergeObject(target, source, options) {
			var destination = {};
			if (options.isMergeableObject(target)) {
				Object.keys(target).forEach(function (key) {
					destination[key] = cloneUnlessOtherwiseSpecified(target[key], options);
				});
			}
			Object.keys(source).forEach(function (key) {
				if (!options.isMergeableObject(source[key]) || !target[key]) {
					destination[key] = cloneUnlessOtherwiseSpecified(source[key], options);
				} else {
					destination[key] = deepmerge(target[key], source[key], options);
				}
			});
			return destination;
		}

		function deepmerge(target, source, options) {
			options = options || {};
			options.arrayMerge = options.arrayMerge || defaultArrayMerge;
			options.isMergeableObject = options.isMergeableObject || defaultIsMergeableObject;

			var sourceIsArray = Array.isArray(source);
			var targetIsArray = Array.isArray(target);


			if (!(sourceIsArray === targetIsArray)) {
				return cloneUnlessOtherwiseSpecified(source, options);
			} else if (sourceIsArray) {
				return options.arrayMerge(target, source, options);
			} else {
				return mergeObject(target, source, options);
			}
		}

		deepmerge.all = function deepmergeAll(array, options) {
			if (!Array.isArray(array)) {
				throw new Error('first argument should be an array');
			}

			return array.reduce(function (prev, next) {
				return deepmerge(prev, next, options);
			}, {});
		};

		module.exports = deepmerge;
	}
});
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