event-emitters/dist.es2018/EventEmitterWithCurrent.d.ts

event emitters

import { EventEmitter } from './EventEmitter';
import { EventSourceWithCurrent, Listener } from './EventSource';
/**
 * This is the same as EventEmitter but:
 * Is initialized with the current message.
 * Emits the current message to each listener as soon as it subscribes.
 */
export declare class EventEmitterWithCurrent<T> extends EventEmitter<T> implements EventSourceWithCurrent<T> {
    currentMessage: T;
    constructor(initialMessage: T);
    emit(newMessage: T): void;
    subscribe(listener: Listener<T>): Listener<T>;
}