mirror of https://github.com/thangisme/notes.git
23 lines
678 B
JavaScript
23 lines
678 B
JavaScript
var addMapEntry = require('./_addMapEntry'),
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arrayReduce = require('./_arrayReduce'),
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mapToArray = require('./_mapToArray');
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/** Used to compose bitmasks for cloning. */
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var CLONE_DEEP_FLAG = 1;
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/**
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* Creates a clone of `map`.
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*
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* @private
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* @param {Object} map The map to clone.
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* @param {Function} cloneFunc The function to clone values.
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* @param {boolean} [isDeep] Specify a deep clone.
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* @returns {Object} Returns the cloned map.
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*/
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function cloneMap(map, isDeep, cloneFunc) {
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var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
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return arrayReduce(array, addMapEntry, new map.constructor);
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}
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module.exports = cloneMap;
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