diagnostics_channel.unsubscribe(name, onMessage)

• name <string> | <symbol> 通道名称

  \name <string> | <symbol> The channel name

• onMessage <Function> 要删除的先前订阅的处理程序

  \onMessage <Function> The previous subscribed handler to remove

• 返回:<boolean> 如果找到处理程序则为 true,否则为 false。

  \Returns: <boolean> true if the handler was found, false otherwise.

删除以前使用 diagnostics_channel.subscribe(name, onMessage) 注册到此通道的消息处理程序。

\Remove a message handler previously registered to this channel with diagnostics_channel.subscribe(name, onMessage).

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);const diagnostics_channel = require('node:diagnostics_channel');
function onMessage(message, name) {
 // Received data
}
diagnostics_channel.subscribe('my-channel', onMessage);
diagnostics_channel.unsubscribe('my-channel', onMessage);拷贝