tests/node_compat/test/parallel/test-diagnostics-channel-sync-unsubscribe.js


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// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by `tests/node_compat/runner/setup.ts`. Do not modify this file manually.

'use strict';

const common = require('../common');
const dc = require('node:diagnostics_channel');

const channel_name = 'test:channel';
const published_data = 'some message';

const onMessageHandler = common.mustCall(() => dc.unsubscribe(channel_name, onMessageHandler));

dc.subscribe(channel_name, onMessageHandler);

// This must not throw.
dc.channel(channel_name).publish(published_data);