odin-javascript-exercises/node_modules/lodash/_cloneSet.js
2017-12-15 12:56:14 -06:00

22 lines
678 B
JavaScript

var addSetEntry = require('./_addSetEntry'),
arrayReduce = require('./_arrayReduce'),
setToArray = require('./_setToArray');
/** Used to compose bitmasks for cloning. */
var CLONE_DEEP_FLAG = 1;
/**
* Creates a clone of `set`.
*
* @private
* @param {Object} set The set to clone.
* @param {Function} cloneFunc The function to clone values.
* @param {boolean} [isDeep] Specify a deep clone.
* @returns {Object} Returns the cloned set.
*/
function cloneSet(set, isDeep, cloneFunc) {
var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
return arrayReduce(array, addSetEntry, new set.constructor);
}
module.exports = cloneSet;