17 lines
779 B
JavaScript
17 lines
779 B
JavaScript
'use strict';
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var globalThis = require('../internals/global-this');
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var fails = require('../internals/fails');
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var V8 = require('../internals/environment-v8-version');
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var ENVIRONMENT = require('../internals/environment');
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var structuredClone = globalThis.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 ((ENVIRONMENT === 'DENO' && V8 > 92) || (ENVIRONMENT === 'NODE' && V8 > 94) || (ENVIRONMENT === '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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