mirror of https://github.com/jkjoy/sunpeiwen.git
41 lines
1.1 KiB
JavaScript
41 lines
1.1 KiB
JavaScript
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;
|