Interface IEventDispatcher<T>

A simple event dispatcher interface with IEvent as event type.

Type Parameters

T

Hierarchy

IEventDispatcher

Implemented by

SimpleEventDispatcher

Index

Methods

addEventListener dispatchEvent hasEventListener removeEventListener

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
- Defined in EventDispatcher.ts:20

dispatchEvent

dispatchEvent(event): void
Fire an event type.
Parameters
- event: IEvent<T>
Returns void
- Defined in EventDispatcher.ts:40

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
- Defined in EventDispatcher.ts:27

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
- Defined in EventDispatcher.ts:34

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