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node_modules/es-abstract/2016/DetachArrayBuffer.js
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1lostsun
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05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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'use strict'; var $SyntaxError = require('es-errors/syntax'); var $TypeError = require('es-errors/type'); var isArrayBuffer = require('is-array-buffer'); var IsDetachedBuffer = require('./IsDetachedBuffer'); var MessageChannel; try { // eslint-disable-next-line global-require MessageChannel = require('worker_threads').MessageChannel; // node 11.7+ } catch (e) { /**/ } // https://262.ecma-international.org/6.0/#sec-detacharraybuffer /* globals postMessage */ module.exports = function DetachArrayBuffer(arrayBuffer) { if (!isArrayBuffer(arrayBuffer)) { throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot'); } if (!IsDetachedBuffer(arrayBuffer)) { // node v21.0.0+ throws when you structuredClone a detached buffer if (typeof structuredClone === 'function') { structuredClone(arrayBuffer, { transfer: [arrayBuffer] }); } else if (typeof postMessage === 'function') { postMessage('', '/', [arrayBuffer]); // TODO: see if this might trigger listeners } else if (MessageChannel) { (new MessageChannel()).port1.postMessage(null, [arrayBuffer]); } else { throw new $SyntaxError('DetachArrayBuffer is not supported in this environment'); } } return null; };