From 0cf7f268a7df7711ac6ab8c2c67b4d7abf454fcd Mon Sep 17 00:00:00 2001
From: Marvin Hagemeister <marvin@deno.com>
Date: Thu, 25 Jul 2024 23:06:19 +0200
Subject: 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.
---
 ext/node/polyfills/worker_threads.ts | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'ext/node')

diff --git a/ext/node/polyfills/worker_threads.ts b/ext/node/polyfills/worker_threads.ts
index b51049af5..3519ae217 100644
--- a/ext/node/polyfills/worker_threads.ts
+++ b/ext/node/polyfills/worker_threads.ts
@@ -536,6 +536,13 @@ function webMessagePortToNodeMessagePort(port: MessagePort) {
   port.ref = () => {
     port[refMessagePort](true);
   };
+  port.once = (name: string | symbol, listener) => {
+    const fn = (event) => {
+      port.off(name, fn);
+      return listener(event);
+    };
+    port.on(name, fn);
+  };
   return port;
 }
 
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