import EventEmitter from 'runtime-core/src/utils/EventEmitter.js'

public class | source

EventEmitter

EventEmitter All classes which extends this, can have addEventListener and trigger events;

Method Summary

Public Methods
public	addEventListener(eventType: string, cb: Function) addEventListener listen for an eventType
public	trigger(eventType: string, params: object) Invoke the eventType

addEventListener listen for an eventType

Name	Type	Attribute	Description
eventType	string		listening for this type of event
cb	Function		callback function will be executed when the event it is invoked

Invoke the eventType

Name	Type	Attribute	Description
eventType	string		event will be invoked
params	object		parameters will be passed to the addEventListener