Class SimpleEventDispatcher<T>

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

Type Parameters

T extends string

Hierarchy (view full)

SimpleEventDispatcher
- PointerDragHelper
- UiConfigRendererBase

Implements

IEventDispatcher<T>

Index

Constructors

Methods

addEventListener dispatchEvent hasEventListener removeEventListener

Constructors

constructor

new SimpleEventDispatcher<T>(): SimpleEventDispatcher<T>
Type Parameters
- T extends string
Returns SimpleEventDispatcher<T>

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

dispatchEvent

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

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

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