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