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fix(node/worker_threads): support port.once()
(#24725)
Support `MessagePort.once` in Node mode and enable relevant `worker_threads` test. Noticed that another Node test was passing as well, so I enabled that too.
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5 changed files with 69 additions and 2 deletions
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@ -536,6 +536,13 @@ function webMessagePortToNodeMessagePort(port: MessagePort) {
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port.ref = () => {
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port[refMessagePort](true);
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};
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port.once = (name: string | symbol, listener) => {
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const fn = (event) => {
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port.off(name, fn);
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return listener(event);
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};
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port.on(name, fn);
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};
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return port;
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}
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@ -684,6 +684,8 @@
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"test-whatwg-url-custom-tostringtag.js",
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"test-whatwg-url-override-hostname.js",
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"test-whatwg-url-properties.js",
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"test-worker-message-port-infinite-message-loop.js",
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"test-worker-message-port-multiple-sharedarraybuffers.js",
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"test-worker-message-port-receive-message.js",
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"test-zlib-close-after-error.js",
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"test-zlib-close-after-write.js",
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@ -2829,13 +2829,11 @@ NOTE: This file should not be manually edited. Please edit `tests/node_compat/co
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- [parallel/test-worker-message-port-close.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-close.js)
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- [parallel/test-worker-message-port-constructor.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-constructor.js)
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- [parallel/test-worker-message-port-drain.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-drain.js)
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- [parallel/test-worker-message-port-infinite-message-loop.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-infinite-message-loop.js)
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- [parallel/test-worker-message-port-inspect-during-init-hook.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-inspect-during-init-hook.js)
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- [parallel/test-worker-message-port-jstransferable-nested-untransferable.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-jstransferable-nested-untransferable.js)
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- [parallel/test-worker-message-port-message-before-close.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-message-before-close.js)
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- [parallel/test-worker-message-port-message-port-transferring.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-message-port-transferring.js)
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- [parallel/test-worker-message-port-move.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-move.js)
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- [parallel/test-worker-message-port-multiple-sharedarraybuffers.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-multiple-sharedarraybuffers.js)
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- [parallel/test-worker-message-port-terminate-transfer-list.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-terminate-transfer-list.js)
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- [parallel/test-worker-message-port-transfer-closed.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-transfer-closed.js)
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- [parallel/test-worker-message-port-transfer-duplicate.js](https://github.com/nodejs/node/tree/v18.12.1/test/parallel/test-worker-message-port-transfer-duplicate.js)
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@ -0,0 +1,36 @@
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { MessageChannel } = require('worker_threads');
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// Make sure that an infinite asynchronous .on('message')/postMessage loop
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// does not lead to a stack overflow and does not starve the event loop.
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// We schedule timeouts both from before the .on('message') handler and
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// inside of it, which both should run.
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const { port1, port2 } = new MessageChannel();
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let count = 0;
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port1.on('message', () => {
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if (count === 0) {
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setTimeout(common.mustCall(() => {
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port1.close();
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}), 0);
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}
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port2.postMessage(0);
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assert(count++ < 10000, `hit ${count} loop iterations`);
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});
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port2.postMessage(0);
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// This is part of the test -- the event loop should be available and not stall
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// out due to the recursive .postMessage() calls.
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setTimeout(common.mustCall(), 0);
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@ -0,0 +1,24 @@
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// deno-fmt-ignore-file
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// deno-lint-ignore-file
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// Copyright Joyent and Node contributors. All rights reserved. MIT license.
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// Taken from Node 18.12.1
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// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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const { MessageChannel } = require('worker_threads');
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// Regression test for https://github.com/nodejs/node/issues/28559
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const obj = [
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[ new SharedArrayBuffer(0), new SharedArrayBuffer(1) ],
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[ new SharedArrayBuffer(2), new SharedArrayBuffer(3) ],
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];
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const { port1, port2 } = new MessageChannel();
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port1.once('message', common.mustCall((message) => {
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assert.deepStrictEqual(message, obj);
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}));
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port2.postMessage(obj);
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