subscribe - diagnostics_channel - Node

function subscribe

Usage in Deno

import { subscribe } from "node:diagnostics_channel";



subscribe(name: string | symbol,
onMessage: ChannelListener,
): void

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';

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

Parameters



name: string | symbol

The channel name



onMessage: ChannelListener

The handler to receive channel messages

Return Type

void