Class EventEmitter<T>

constructor

• new EventEmitter<T extends string>(): EventEmitter<T>

  Type Parameters

  • T extends string

  Returns EventEmitter<T>

callbacks

emit

• emit(event: T, ...args: any[]): EventEmitter<T>

  Parameters

  • event: T
  • ...args: any[]

  Returns EventEmitter<T>

off

• off(event?: T, fn?: (...args: any[]) => void): EventEmitter<T>

  Parameters

  • Optionalevent: T
  • Optionalfn: (...args: any[]) => void

  Returns EventEmitter<T>

on

• on(event: T, cb: (...args: any[]) => void): EventEmitter<T>

  Parameters

  • event: T
  • cb: (...args: any[]) => void

  Returns EventEmitter<T>

once

• once(event: T, fn: (...args: any[]) => void): EventEmitter<T>

  Parameters

  • event: T
  • fn: (...args: any[]) => void

  Returns EventEmitter<T>