| 1 | "use strict";
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| 2 | Object.defineProperty(exports, "__esModule", { value: true });
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| 3 | var toString = Object.prototype.toString;
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| 4 | function cloneDeep(value) {
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| 5 | return cloneDeepHelper(value, new Map());
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| 6 | }
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| 7 | exports.cloneDeep = cloneDeep;
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| 8 | function cloneDeepHelper(val, seen) {
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| 9 | switch (toString.call(val)) {
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| 10 | case "[object Array]": {
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| 11 | if (seen.has(val))
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| 12 | return seen.get(val);
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| 13 | var copy_1 = val.slice(0);
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| 14 | seen.set(val, copy_1);
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| 15 | copy_1.forEach(function (child, i) {
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| 16 | copy_1[i] = cloneDeepHelper(child, seen);
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| 17 | });
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| 18 | return copy_1;
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| 19 | }
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| 20 | case "[object Object]": {
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| 21 | if (seen.has(val))
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| 22 | return seen.get(val);
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| 23 | var copy_2 = Object.create(Object.getPrototypeOf(val));
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| 24 | seen.set(val, copy_2);
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| 25 | Object.keys(val).forEach(function (key) {
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| 26 | copy_2[key] = cloneDeepHelper(val[key], seen);
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| 27 | });
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| 28 | return copy_2;
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| 29 | }
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| 30 | default:
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| 31 | return val;
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| 32 | }
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| 33 | }
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| 34 | |
| \ | No newline at end of file |