generated from githuhsername/simple-template-advanced
-
Notifications
You must be signed in to change notification settings - Fork 0
/
detach-transferable.js
37 lines (31 loc) · 1.1 KB
/
detach-transferable.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
'use strict';
var global = require('../internals/global');
var tryNodeRequire = require('../internals/try-node-require');
var PROPER_STRUCTURED_CLONE_TRANSFER = require('../internals/structured-clone-proper-transfer');
var structuredClone = global.structuredClone;
var $ArrayBuffer = global.ArrayBuffer;
var $MessageChannel = global.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 = tryNodeRequire('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;