初始化(NoticeUtil.ts)

// NoticeUtil.ts
import { EventEmitter } from "events"
const NotifyManager = new EventEmitter()
export default NotifyManager

发送通知(xxxx_A.ts)

// xxxx_A.ts
import NotifyManager from "./NoticeUtil"
let data = { "key": "xxxx_msg" }
NotifyManager.emit("xxxx_KEY", data)

接收通知(xxxx_B.ts)

// xxxx_B.ts
import NotifyManager from "./NoticeUtil"
NotifyManager.addListener("xxxx_KEY", (data: any) => { console.log("====" + data)})

移除通知(xxxx_A.ts)

// xxxx_A.ts
import NotifyManager from "./NoticeUtil"
useEffect( () => {
  return () => { NotifyManager.removeListener("xxxx_KEY", ()=>{}) }
}, [])