time-to-botec

Benchmark sampling in different programming languages
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cloneDeepWith.js (1046B)

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