1 | var setPrototypeOf = require("./setPrototypeOf");
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2 |
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3 | function isNativeReflectConstruct() {
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4 | if (typeof Reflect === "undefined" || !Reflect.construct) return false;
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5 | if (Reflect.construct.sham) return false;
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6 | if (typeof Proxy === "function") return true;
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7 |
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8 | try {
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9 | Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
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10 | return true;
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11 | } catch (e) {
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12 | return false;
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13 | }
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14 | }
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15 |
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16 | function _construct(Parent, args, Class) {
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17 | if (isNativeReflectConstruct()) {
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18 | module.exports = _construct = Reflect.construct;
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19 | } else {
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20 | module.exports = _construct = function _construct(Parent, args, Class) {
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21 | var a = [null];
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22 | a.push.apply(a, args);
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23 | var Constructor = Function.bind.apply(Parent, a);
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24 | var instance = new Constructor();
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25 | if (Class) setPrototypeOf(instance, Class.prototype);
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26 | return instance;
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27 | };
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28 | }
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29 |
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30 | return _construct.apply(null, arguments);
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31 | }
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32 |
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33 | module.exports = _construct; |
\ | No newline at end of file |