package.internals.structured-clone-proper-transfer.js Maven / Gradle / Ivy
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'use strict';
var globalThis = require('../internals/global-this');
var fails = require('../internals/fails');
var V8 = require('../internals/environment-v8-version');
var ENVIRONMENT = require('../internals/environment');
var structuredClone = globalThis.structuredClone;
module.exports = !!structuredClone && !fails(function () {
// prevent V8 ArrayBufferDetaching protector cell invalidation and performance degradation
// https://github.com/zloirock/core-js/issues/679
if ((ENVIRONMENT === 'DENO' && V8 > 92) || (ENVIRONMENT === 'NODE' && V8 > 94) || (ENVIRONMENT === '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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