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// GENERATED, DO NOT EDIT
// file: hidden-constructors.js
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
Provides uniform access to built-in constructors that are not exposed to the global object.
defines:
- AsyncFunction
- AsyncGeneratorFunction
- GeneratorFunction
---*/
var AsyncFunction;
var AsyncGeneratorFunction;
var GeneratorFunction;
try {
AsyncFunction = Object.getPrototypeOf(new Function('return async function dummy() {}')()).constructor;
} catch(e) {}
try {
AsyncGeneratorFunction = Object.getPrototypeOf(new Function('return async function* dummy() {}')()).constructor;
} catch(e) {}
try {
GeneratorFunction = Object.getPrototypeOf(new Function('return function* dummy() {}')()).constructor;
} catch(e) {}
// file: isConstructor.js
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: |
Test if a given function is a constructor function.
defines: [isConstructor]
features: [Reflect.construct]
---*/
function isConstructor(f) {
if (typeof f !== "function") {
throw new Test262Error("isConstructor invoked with a non-function value");
}
try {
Reflect.construct(function(){}, [], f);
} catch (e) {
return false;
}
return true;
}