cloneDeepWith.js
d5ad7e6ff2ccmaster

cloneDeepWith.js
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			var baseClone = require('./_baseClone');

			/** Used to compose bitmasks for cloning. */
			var CLONE_DEEP_FLAG = 1,
			CLONE_SYMBOLS_FLAG = 4;

			/**
			* This method is like `_.cloneWith` except that it recursively clones `value`.
			*
			* @static
			* @memberOf _
			* @since 4.0.0
			* @category Lang
			* @param {*} value The value to recursively clone.
			* @param {Function} [customizer] The function to customize cloning.
			* @returns {*} Returns the deep cloned value.
			* @see _.cloneWith
			* @example
			*
			* function customizer(value) {
			* if (_.isElement(value)) {
			* return value.cloneNode(true);
			* }
			* }
			*
			* var el = _.cloneDeepWith(document.body, customizer);
			*
			* console.log(el === document.body);
			* // => false
			* console.log(el.nodeName);
			* // => 'BODY'
			* console.log(el.childNodes.length);
			* // => 20
			*/
			function cloneDeepWith(value, customizer) {
			customizer = typeof customizer == 'function' ? customizer : undefined;
			return baseClone(value, CLONE_DEEP_FLAG \| CLONE_SYMBOLS_FLAG, customizer);
			}

			module.exports = cloneDeepWith;