52 lines
936 B
JavaScript
52 lines
936 B
JavaScript
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'use strict';
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/**
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* Module dependenices
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*/
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var utils = require('./utils');
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/**
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* Recursively clone native types.
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*/
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function cloneDeep(val, instanceClone) {
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switch (utils.typeOf(val)) {
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case 'object':
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return cloneObjectDeep(val, instanceClone);
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case 'array':
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return cloneArrayDeep(val, instanceClone);
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default:
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return utils.clone(val);
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}
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}
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function cloneObjectDeep(obj, instanceClone) {
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if (utils.isObject(obj)) {
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var res = {};
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utils.forOwn(obj, function(obj, key) {
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this[key] = cloneDeep(obj, instanceClone);
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}, res);
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return res;
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} else if (instanceClone) {
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return instanceClone(obj);
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} else {
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return obj;
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}
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}
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function cloneArrayDeep(arr, instanceClone) {
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var len = arr.length, res = [];
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var i = -1;
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while (++i < len) {
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res[i] = cloneDeep(arr[i], instanceClone);
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}
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return res;
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}
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/**
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* Expose `cloneDeep`
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*/
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module.exports = cloneDeep;
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