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Channel.prototype.subscribe - diagnostics_channel - Node documentation
method Channel.prototype.subscribe

Usage in Deno

import { Channel } from "node:diagnostics_channel";
Channel.prototype.subscribe(onMessage: ChannelListener): void
Deprecated

Since v18.7.0,v16.17.0 - Use onMessage)

Register a message handler to subscribe to this channel. This message handler will be run synchronously whenever a message is published to the channel. Any errors thrown in the message handler will trigger an 'uncaughtException'.

import diagnostics_channel from 'node:diagnostics_channel';

const channel = diagnostics_channel.channel('my-channel');

channel.subscribe((message, name) => {
  // Received data
});

Parameters

onMessage: ChannelListener

The handler to receive channel messages

Return Type

void