| 1 | "use strict";
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| 2 | var typeObj = require("./isType");
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| 3 | var isDate = typeObj.isDate, isRegExp = typeObj.isRegExp, isFunction = typeObj.isFunction, isArray = typeObj.isArray;
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| 4 | function cloneDeep(values) {
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| 5 | var parents = [];
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| 6 | var children = [];
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| 7 | function clone(values) {
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| 8 | var num = parents.indexOf(values);
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| 9 | if (~num) {
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| 10 | return children[num];
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| 11 | }
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| 12 | var copy;
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| 13 | if (values == null || (typeof values !== 'object' && !isFunction(values)))
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| 14 | return values;
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| 15 | if (isDate(values)) {
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| 16 | copy = new Date();
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| 17 | copy.setTime(values.getTime());
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| 18 | return copy;
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| 19 | }
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| 20 | if (isRegExp(values)) {
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| 21 | copy = new RegExp(values.source, getRegExp(values));
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| 22 | if (values.lastIndex) {
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| 23 | copy.lastIndex = values.lastIndex;
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| 24 | }
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| 25 | return copy;
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| 26 | }
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| 27 | if (isFunction(values)) {
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| 28 | return new Function("return " + values)();
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| 29 | }
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| 30 | if (isArray(values)) {
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| 31 | copy = [];
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| 32 | parents.push(values);
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| 33 | children.push(copy);
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| 34 | for (var i = 0, len = values.length; i < len; i++) {
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| 35 | copy[i] = clone(values[i]);
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| 36 | }
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| 37 | return copy;
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| 38 | }
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| 39 | if (values instanceof Object) {
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| 40 | var proto = Object.getPrototypeOf(values);
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| 41 | copy = Object.create(proto);
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| 42 | parents.push(values);
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| 43 | children.push(copy);
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| 44 | for (var attr in values) {
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| 45 | copy[attr] = clone(values[attr]);
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| 46 | }
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| 47 | return copy;
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| 48 | }
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| 49 | }
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| 50 | return clone(values);
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| 51 | }
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| 52 | var getRegExp = function (re) {
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| 53 | var flags = '';
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| 54 | if (re.global)
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| 55 | flags += 'g';
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| 56 | if (re.ignoreCase)
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| 57 | flags += 'i';
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| 58 | if (re.multiline)
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| 59 | flags += 'm';
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| 60 | return flags;
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| 61 | };
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| 62 | module.exports = cloneDeep;
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| 63 | |
| \ | No newline at end of file |