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upload-google-play/node_modules/es-abstract/2017/SpeciesConstructor.js
Drew Heavner bdde081050 Fixed #1 - Fixed the whatsnew-** script for loading release notes into builds
Added test to ensure that release notes are parsed properly
Updated to latest dependencies to fix security vulnerability
Updated GH Actions Workflow to run test before updating tag
Updated README.md to reflect proper whatsnew documentation.
2020-01-30 11:14:51 -05:00

33 lines
846 B
JavaScript

'use strict';
var GetIntrinsic = require('../GetIntrinsic');
var $species = GetIntrinsic('%Symbol.species%', true);
var $TypeError = GetIntrinsic('%TypeError%');
var IsConstructor = require('./IsConstructor');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/6.0/#sec-speciesconstructor
module.exports = function SpeciesConstructor(O, defaultConstructor) {
if (Type(O) !== 'Object') {
throw new $TypeError('Assertion failed: Type(O) is not Object');
}
var C = O.constructor;
if (typeof C === 'undefined') {
return defaultConstructor;
}
if (Type(C) !== 'Object') {
throw new $TypeError('O.constructor is not an Object');
}
var S = $species ? C[$species] : void 0;
if (S == null) {
return defaultConstructor;
}
if (IsConstructor(S)) {
return S;
}
throw new $TypeError('no constructor found');
};