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@saasfe/we-app-cem

v1.3.4

Published

custom event manager for we app

Downloads

5

Readme

消息通信 for We App

集中式的消息管理,用于相互独立的多模块间的消息互通,

  1. 支持已触发消息的消息体暂存
  2. 支持全局域和模块域的消息隔离
  3. 支持模块域的消息冒泡到全局域

API

默认导出的是当前微应用的cem,可以通过cem.create(namespace: string)创建新的消息管理器。

  1. on 监听事件。
on(eventName: string, callback: (event: { type: string, target: string, data: any }) => void, instant: boolean) => void
  1. eventName 事件名称。可通过namespace订阅其他域的消息,如 on('other:name')。

  2. callback 事件回调,接收的参数event,event的具体内容如下: * type 事件名称,同trigger时传入的eventName,见下文。 * target 触发事件的namespace,因为允许A域触发B域的事件。 * data 触发事件时传入的数据。

  3. instant * boolean 即刻执行,当事件已触发,新注册的监听将即刻执行,做事件补偿。默认为true。 * object

    • instant 即刻执行,当事件已触发,新注册的监听将即刻执行,做事件补偿。默认为true。
    • once 仅监听一次。
    • onlyData callback仅接收data。
  4. once 仅监听一次。参数同on的参数,instant.once始终为true。

  5. off 取消监听。传入eventName和callback。

on(eventName: string, callback: (event: { type: string, target: string, data: any }) => void) => void
  1. trigger 触发事件,传入eventName和data。
trigger(eventName: string, data: any) => void
  1. trackShareData, trackShareDataOnce 监听全局共享数据。
trackShareData(callback: (data: object) => void) => void
  1. stopTrackShareData 取消监听全局共享数据。
stopTrackShareData(callback: (data: object) => void) => void
  1. shareData 发送共享数据。
shareData(data: object) => void