Class Observer<T>

constructor

• new Observer<T>(
      callback: (eventData: T, eventState: EventState) => void,
      mask: number,
      scope?: any,
  ): Observer<T>

  Creates a new observer

  Type Parameters

  • T

  Parameters

  • callback: (eventData: T, eventState: EventState) => void

    defines the callback to call when the observer is notified

  • mask: number

    defines the mask of the observer (used to filter notifications)

  • scope: any = null

    defines the current scope used to restore the JS context

  Returns Observer<T>

callback

mask

scope

unregisterOnNextCall

remove

• remove(defer?: boolean): void

  Remove the observer from its observable This can be used instead of using the observable's remove function.

  Parameters

  • defer: boolean = false

    if true, the removal will be deferred to avoid callback skipping (default: false)

  Returns void