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- 'use strict';
- var GetIntrinsic = require('get-intrinsic');
- var $SyntaxError = GetIntrinsic('%SyntaxError%');
- var $TypeError = GetIntrinsic('%TypeError%');
- var isArrayBuffer = require('is-array-buffer');
- 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 (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;
- };
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