'use strict'; var globalThis = require('../internals/global-this'); var getBuiltInNodeModule = require('../internals/get-built-in-node-module'); var PROPER_STRUCTURED_CLONE_TRANSFER = require('../internals/structured-clone-proper-transfer'); var structuredClone = globalThis.structuredClone; var $ArrayBuffer = globalThis.ArrayBuffer; var $MessageChannel = globalThis.MessageChannel; var detach = false; var WorkerThreads, channel, buffer, $detach; if (PROPER_STRUCTURED_CLONE_TRANSFER) { detach = function (transferable) { structuredClone(transferable, { transfer: [transferable] }); }; } else if ($ArrayBuffer) try { if (!$MessageChannel) { WorkerThreads = getBuiltInNodeModule('worker_threads'); if (WorkerThreads) $MessageChannel = WorkerThreads.MessageChannel; } if ($MessageChannel) { channel = new $MessageChannel(); buffer = new $ArrayBuffer(2); $detach = function (transferable) { channel.port1.postMessage(null, [transferable]); }; if (buffer.byteLength === 2) { $detach(buffer); if (buffer.byteLength === 0) detach = $detach; } } } catch (error) { /* empty */ } module.exports = detach;