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Class CancellationToken

Hierarchy

Index

Constructors

constructor

Properties

Static Readonly captureRejectionSymbol

captureRejectionSymbol: typeof captureRejectionSymbol

Static captureRejections

captureRejections: boolean

Sets or gets the default captureRejection value for all emitters.

Static defaultMaxListeners

defaultMaxListeners: number

Static Readonly errorMonitor

errorMonitor: typeof errorMonitor

This symbol shall be used to install a listener for only monitoring 'error' events. Listeners installed using this symbol are called before the regular 'error' listeners are called.

Installing a listener using this symbol does not change the behavior once an 'error' event is emitted, therefore the process will still crash if no regular 'error' listener is installed.

Methods

addListener

emit

  • emit<EventKey>(event: symbol | EventKey, ...args: Parameters<{ cancel: any }[EventKey]>): boolean

eventNames

  • eventNames(): string[]

getMaxListeners

  • getMaxListeners(): number

listenerCount

  • listenerCount<EventKey>(type: string | symbol | EventKey): number

listeners

  • listeners<EventKey>(event: string | symbol | EventKey): { cancel: any }[EventKey][]

off

on

once

prependListener

prependOnceListener

rawListeners

  • rawListeners<EventKey>(event: string | symbol | EventKey): { cancel: any }[EventKey][]

removeAllListeners

  • removeAllListeners<EventKey>(event?: string | symbol | EventKey): CancellationToken

removeListener

setMaxListeners

Static getEventListener

  • getEventListener(emitter: DOMEventTarget | EventEmitter, name: string | symbol): Function[]
  • Returns a list listener for a specific emitter event name.

    Parameters

    • emitter: DOMEventTarget | EventEmitter
    • name: string | symbol

    Returns Function[]

Static listenerCount

  • listenerCount(emitter: EventEmitter, event: string | symbol): number
  • deprecated

    since v4.0.0

    Parameters

    • emitter: EventEmitter
    • event: string | symbol

    Returns number

Static on

  • on(emitter: EventEmitter, event: string, options?: StaticEventEmitterOptions): AsyncIterableIterator<any>
  • Parameters

    • emitter: EventEmitter
    • event: string
    • Optional options: StaticEventEmitterOptions

    Returns AsyncIterableIterator<any>

Static once

  • once(emitter: NodeEventTarget, event: string | symbol, options?: StaticEventEmitterOptions): Promise<any[]>
  • once(emitter: DOMEventTarget, event: string, options?: StaticEventEmitterOptions): Promise<any[]>
  • Parameters

    • emitter: NodeEventTarget
    • event: string | symbol
    • Optional options: StaticEventEmitterOptions

    Returns Promise<any[]>

  • Parameters

    • emitter: DOMEventTarget
    • event: string
    • Optional options: StaticEventEmitterOptions

    Returns Promise<any[]>

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