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2023-08-11 10:45:20 +08:00
commit 161ca982f3
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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;
});