@deskdirector/push-events/utils/event-emitter/event-emitter.d.ts

chat utilities for DeskDirector chat

import { Listener } from './listener.interface';
import { Disposable } from './disposable';
export declare class EventEmitter<T> {
    private listeners;
    private oneTimeListeners;
    /**
     * Registers an event listener that will be called whenever an event is emitted
     *
     * @param listener the event listener to register
     * @returns {Disposable} an object to de-register the event listener
     */
    handle: (listener: Listener<T>) => Disposable;
    /**
     * Registers a one-time event listener which will be called when an event is emitted
     * @param listener the event listener to register
     */
    handleOnce: (listener: Listener<T>) => void;
    /**
     * De-registers an event listener. The listener will no longer be called when an event is emitted.
     *
     * @param listener the event listener to de-register
     */
    off: (listener: Listener<T>) => void;
    /**
     * Emits an event to all registered listeners
     *
     * @param event the event data to emit to all listeners
     */
    raise: (event: T) => void;
    /**
     * Pipes all events to the given event emitter
     *
     * @param eventEmitter the other EventEmitter instance to pipe events to
     */
    pipe: (eventEmitter: EventEmitter<T>) => Disposable;
}