'use strict';
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var globalThis = require('../internals/global-this');
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// https://github.com/tc39/ecma262/pull/3467
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module.exports = function (METHOD_NAME, ExpectedError) {
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var Iterator = globalThis.Iterator;
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var IteratorPrototype = Iterator && Iterator.prototype;
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var method = IteratorPrototype && IteratorPrototype[METHOD_NAME];
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var CLOSED = false;
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if (method) try {
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method.call({
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next: function () { return { done: true }; },
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'return': function () { CLOSED = true; }
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}, -1);
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} catch (error) {
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// https://bugs.webkit.org/show_bug.cgi?id=291195
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if (!(error instanceof ExpectedError)) CLOSED = false;
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}
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if (!CLOSED) return method;
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};
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