function cloneDeepWith(value, customizer) {
      customizer = typeof customizer == 'function' ? customizer : undefined;
      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
    }
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