Class Observer<T>

constructor

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

• Creates a new observer

  Parameters

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

    defines the callback to call when the observer is notified

    • • (eventData: T, eventState: EventState): void

      • Parameters

        • eventData: T

        • eventState: EventState

        Returns void

  • mask: number

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

  • Optional scope: any

    defines the current scope used to restore the JS context

  Returns Observer