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23 lines
544 B
JavaScript
23 lines
544 B
JavaScript
// Copyright (C) 2017 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: |
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Test if a given function is a constructor function.
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defines: [isConstructor]
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features: [Reflect.construct]
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---*/
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function isConstructor(f) {
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if (typeof f !== "function") {
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throw new Test262Error("isConstructor invoked with a non-function value");
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}
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try {
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Reflect.construct(function(){}, [], f);
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} catch (e) {
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return false;
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}
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return true;
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}
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