import EventEmitter from '@mobilizing/library/js/Mobilizing/core/util/EventEmitter.js'

public class |source

EventEmitter

EventEmitter is a helper class to handle event emission

Constructor Summary

Public Constructor
public	constructor(params: Object)

Public Methods
public	off(type: String, callback: Function): * Remove an event listener
public	on(type: String, callback: Function): * Add an event listener
public	trigger(type: String): * Trigger an event

Name	Type	Attribute	Description
params	Object		Parameters object, given by the constructor.
params.scope	Mixed	optional	The scope to use for callbacks, should usually be set to the class instance using the EventEmitter. Defaults to the EventEmitter instance if not specified

Remove an event listener

Name	Type	Attribute	Description
type	String		The event type to stop listen to
callback	Function	optional	The callback function associated with the listener. If not specified, all listeners will be removed

Add an event listener

Name	Type	Attribute	Description
type	String		The event type to listen to
callback	Function		The callback to call when the event is captured

Trigger an event

Name	Type	Attribute	Description
type	String		The event type
...data	Mixed	optional	Data to send along with the event