Class EventEmitter<T>

constructor

• new EventEmitter<T extends LooseObject & { dispose?: undefined } = {}>(): EventEmitter<
      T,
  >

  Type Parameters

  • T extends LooseObject & { dispose?: undefined } = {}

  Returns EventEmitter<T>

Readonlylisteners

[dispose]

• "[dispose]"(): void

  Returns void

emit

• emit<K extends string | number | symbol>(
      type: K,
      ...__namedParameters: EventMap<T>[K] extends undefined
          ? [evt?: any[any]]
          : [evt: EventMap<T>[K]],
  ): EventEmitter<T>

  Emit event listeners

  Type Parameters

  • K extends string | number | symbol

  Parameters

  • type: K
  • ...__namedParameters: EventMap<T>[K] extends undefined ? [evt?: any[any]] : [evt: EventMap<T>[K]]

  Returns EventEmitter<T>

off

• off<K extends string | number | symbol>(
      type: K,
      listener: (evt: EventMap<T>[K]) => void,
  ): EventEmitter<T>

  Remove event listener

  Type Parameters

  • K extends string | number | symbol

  Parameters

  • type: K
  • listener: (evt: EventMap<T>[K]) => void

  Returns EventEmitter<T>

on

• on<K extends string | number | symbol>(
      type: K,
      listener: (evt: EventMap<T>[K]) => void,
  ): EventEmitter<T>

  Add event listener

  Type Parameters

  • K extends string | number | symbol

  Parameters

  • type: K
  • listener: (evt: EventMap<T>[K]) => void

  Returns EventEmitter<T>

once

• once<K extends string | number | symbol>(
      type: K,
      listener: (evt: EventMap<T>[K]) => void,
  ): EventEmitter<T>

  Add one-time event listener, can not be removed manually

  Type Parameters

  • K extends string | number | symbol

  Parameters

  • type: K
  • listener: (evt: EventMap<T>[K]) => void

  Returns EventEmitter<T>