31 lines
No EOL
886 B
JavaScript
31 lines
No EOL
886 B
JavaScript
import setPrototypeOf from "./setPrototypeOf";
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function isNativeReflectConstruct() {
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if (typeof Reflect === "undefined" || !Reflect.construct) return false;
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if (Reflect.construct.sham) return false;
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if (typeof Proxy === "function") return true;
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try {
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Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));
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return true;
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} catch (e) {
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return false;
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}
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}
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export default function _construct(Parent, args, Class) {
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if (isNativeReflectConstruct()) {
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_construct = Reflect.construct;
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} else {
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_construct = function _construct(Parent, args, Class) {
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var a = [null];
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a.push.apply(a, args);
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var Constructor = Function.bind.apply(Parent, a);
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var instance = new Constructor();
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if (Class) setPrototypeOf(instance, Class.prototype);
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return instance;
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};
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}
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return _construct.apply(null, arguments);
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} |