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function unsubscribe

#unsubscribe(
name: string | symbol,
onMessage: ChannelListener,
): boolean

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

import diagnostics_channel from 'node:diagnostics_channel';

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

diagnostics_channel.subscribe('my-channel', onMessage);

diagnostics_channel.unsubscribe('my-channel', onMessage);

Parameters #

#name: string | symbol

The channel name

#onMessage: ChannelListener

The previous subscribed handler to remove

Return Type #

boolean

true if the handler was found, false otherwise.

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