19 lines
829 B
JavaScript
19 lines
829 B
JavaScript
'use strict';
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var global = require('../internals/global');
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var fails = require('../internals/fails');
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var V8 = require('../internals/engine-v8-version');
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var IS_BROWSER = require('../internals/engine-is-browser');
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var IS_DENO = require('../internals/engine-is-deno');
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var IS_NODE = require('../internals/engine-is-node');
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var structuredClone = global.structuredClone;
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module.exports = !!structuredClone && !fails(function () {
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// prevent V8 ArrayBufferDetaching protector cell invalidation and performance degradation
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// https://github.com/zloirock/core-js/issues/679
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if ((IS_DENO && V8 > 92) || (IS_NODE && V8 > 94) || (IS_BROWSER && V8 > 97)) return false;
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var buffer = new ArrayBuffer(8);
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var clone = structuredClone(buffer, { transfer: [buffer] });
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return buffer.byteLength !== 0 || clone.byteLength !== 8;
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});
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