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 });
onMessage: ChannelListener
The handler to receive channel messages
void