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denoland-deno/cli/tests/node_compat/test/parallel/test-diagnostics-channel-has-subscribers.js
2023-06-02 15:05:32 +09:00

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JavaScript

// 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 `tools/node_compat/setup.ts`. Do not modify this file manually.
'use strict';
require('../common');
const assert = require('assert');
const { channel, hasSubscribers } = require('diagnostics_channel');
const dc = channel('test');
assert.ok(!hasSubscribers('test'));
dc.subscribe(() => {});
assert.ok(hasSubscribers('test'));