method

diagnostics_channel.Channel.unsubscribe

onMessage: ChannelListener
): void;

Remove a message handler previously registered to this channel with channel.subscribe(onMessage).

import diagnostics_channel from 'node:diagnostics_channel';

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

function onMessage(message, name) {
  // Received data
}

channel.subscribe(onMessage);

channel.unsubscribe(onMessage);
@param onMessage

The previous subscribed handler to remove

@returns

true if the handler was found, false otherwise.

Referenced types

type ChannelListener = (message: unknown, name: string | symbol) => void