channel.subscribe(onMessage)


注册一个消息处理程序以订阅此通道。每当有消息发布到该通道时,这个消息处理程序将同步执行。消息处理程序中抛出的任何错误都会触发 'uncaughtException'

【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
});const diagnostics_channel = require('node:diagnostics_channel');

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

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