Node.js Channel.subscribe(onMessage)用法及代码示例

channel.subscribe(onMessage)

参数

• onMessage <Function>接收通道消息的处理程序
  • message <any> 消息数据
  • name <string> | <symbol> 频道名称

注册一个消息处理程序以订阅此频道。每当消息发布到通道时，此消息处理程序将同步运行。消息处理程序中引发的任何错误都将触发 '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
});