Class SimpleEventDispatcher<T>

A simple event dispatcher with typed event types, see IEventDispatcher.

Type Parameters

T extends string

Hierarchy

SimpleEventDispatcher
- PointerDragHelper

Implements

IEventDispatcher<T>

Index

Constructors

Properties

_eventListeners

Methods

addEventListener dispatchEvent hasEventListener removeEventListener

Constructors

constructor

new SimpleEventDispatcher<T>(): SimpleEventDispatcher<T>
Type Parameters
- T extends string
Returns SimpleEventDispatcher<T>
- Defined in EventDispatcher.ts:48

Properties

`Private` _eventListeners

_eventListeners: Record<string, ((event) => void)[]> = {}

Methods

addEventListener

addEventListener(type, listener): void
Adds a listener to an event type.
Parameters
- type: T
  
  The type of event to listen to.
- listener: ((event) => void)
  
  The function that gets called when the event is fired.
  - - (event): void
    - Parameters
      
      event: IEvent<T>
      
      Returns void
Returns void
Implementation of IEventDispatcher.addEventListener
- Defined in EventDispatcher.ts:57

dispatchEvent

dispatchEvent(event): void
Fire an event type.
Parameters
- event: IEvent<T>
Returns void
Implementation of IEventDispatcher.dispatchEvent
- Defined in EventDispatcher.ts:83

hasEventListener

hasEventListener(type, listener): boolean
Checks if listener is added to an event type.
Parameters
- type: T
  
  The type of event to listen to.
- listener: ((event) => void)
  
  The function that gets called when the event is fired.
  - - (event): void
    - Parameters
      
      event: IEvent<T>
      
      Returns void
Returns boolean
Implementation of IEventDispatcher.hasEventListener
- Defined in EventDispatcher.ts:65

removeEventListener

removeEventListener(type, listener): void
Removes a listener from an event type.
Parameters
- type: T
  
  The type of the listener that gets removed.
- listener: ((event) => void)
  
  The listener function that gets removed.
  - - (event): void
    - Parameters
      
      event: IEvent<T>
      
      Returns void
Returns void
Implementation of IEventDispatcher.removeEventListener
- Defined in EventDispatcher.ts:72

Generated using TypeDoc