1  var baseClone = require('./_baseClone');
 2  
 3  /** Used to compose bitmasks for cloning. */
 4  var CLONE_SYMBOLS_FLAG = 4;
 5  
 6  /**
 7   * This method is like `_.clone` except that it accepts `customizer` which
 8   * is invoked to produce the cloned value. If `customizer` returns `undefined`,
 9   * cloning is handled by the method instead. The `customizer` is invoked with
10   * up to four arguments; (value [, index|key, object, stack]).
11   *
12   * @static
13   * @memberOf _
14   * @since 4.0.0
15   * @category Lang
16   * @param {*} value The value to clone.
17   * @param {Function} [customizer] The function to customize cloning.
18   * @returns {*} Returns the cloned value.
19   * @see _.cloneDeepWith
20   * @example
21   *
22   * function customizer(value) {
23   *   if (_.isElement(value)) {
24   *     return value.cloneNode(false);
25   *   }
26   * }
27   *
28   * var el = _.cloneWith(document.body, customizer);
29   *
30   * console.log(el === document.body);
31   * // => false
32   * console.log(el.nodeName);
33   * // => 'BODY'
34   * console.log(el.childNodes.length);
35   * // => 0
36   */
37  function cloneWith(value, customizer) {
38    customizer = typeof customizer == 'function' ? customizer : undefined;
39    return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
40  }
41  
42  module.exports = cloneWith;