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Filename : structured-clone-proper-transfer.js

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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;
});