mirror of
https://github.com/nodejs/node.git
synced 2024-11-21 10:59:27 +00:00
38dee8a1c0
The HTML structured serialize algorithm treats transferable and
serializable as two different bits. A web platform interface can be
both transferable and serializable.
Splits BaseObject::TransferMode to be able to compose the two bits
and distinguishes the transferable and cloneable.
PR-URL: https://github.com/nodejs/node/pull/47956
Refs: cf13b9b465
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Daeyeon Jeong <daeyeon.dev@gmail.com>
39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
// Flags: --expose-internals --no-warnings
|
|
'use strict';
|
|
const common = require('../common');
|
|
const assert = require('assert');
|
|
const {
|
|
markTransferMode, kTransfer, kTransferList
|
|
} = require('internal/worker/js_transferable');
|
|
const { MessageChannel } = require('worker_threads');
|
|
|
|
// Transferring a JSTransferable that refers to another, untransferable, value
|
|
// in its transfer list should not crash hard.
|
|
|
|
class OuterTransferable {
|
|
constructor() {
|
|
markTransferMode(this, false, true);
|
|
// Create a detached MessagePort at this.inner
|
|
const c = new MessageChannel();
|
|
this.inner = c.port1;
|
|
c.port2.postMessage(this.inner, [ this.inner ]);
|
|
}
|
|
|
|
[kTransferList] = common.mustCall(() => {
|
|
return [ this.inner ];
|
|
});
|
|
|
|
[kTransfer] = common.mustCall(() => {
|
|
return {
|
|
data: { inner: this.inner },
|
|
deserializeInfo: 'does-not:matter'
|
|
};
|
|
});
|
|
}
|
|
|
|
const { port1 } = new MessageChannel();
|
|
const ot = new OuterTransferable();
|
|
assert.throws(() => {
|
|
port1.postMessage(ot, [ot]);
|
|
}, { name: 'DataCloneError' });
|