@eang/core/lib/src/NatsStreamingService.d.ts

eang - model driven enterprise event processing

import { Consumer, JetStreamClient, JetStreamManager, PubAck, ConsumerConfig, ConsumerInfo } from '@nats-io/jetstream';
import { Connectable, Subject } from 'rxjs';
import { ConnectionOptions, NatsConnection } from '@nats-io/nats-core';
import { IEangEvent } from './functions.js';
import { EntityEvent } from './entity.js';
import { IPublishingOptions } from './eang.js';
export interface ConsumerStream {
    consumer: Consumer;
    consumerInfo: ConsumerInfo;
    consumerName: string;
    eventSubj: Subject<IEangEvent>;
    event$: Connectable<IEangEvent>;
    startToConsume: () => Promise<void>;
}
interface ConsumerStreams {
    [key: string]: ConsumerStream;
}
export declare class NatsStreamService {
    readonly consumerData: ConsumerStreams;
    nc: NatsConnection;
    js: JetStreamClient;
    jsm: JetStreamManager;
    constructor();
    initialize(opts: ConnectionOptions): Promise<{
        nc: NatsConnection;
        js: JetStreamClient;
        jsm: JetStreamManager;
    }>;
    ensureStream(streamName: string, subjects: string[]): Promise<{
        created: boolean;
        streamInfo: import("@nats-io/jetstream").StreamInfo;
    }>;
    deleteStream(streamName: string): Promise<boolean>;
    ensureConsumer(streamName: string, consumerName: string | undefined, filter_subjects?: string[], opts?: Partial<ConsumerConfig>): Promise<{
        consumer: Consumer;
        consumerInfo: ConsumerInfo;
    }>;
    ensureConsumerStream(consumerName: string | undefined, subscription: string[], opts?: Partial<ConsumerConfig>): Promise<ConsumerStream>;
    deleteConsumerStream(consumerName: string): Promise<boolean>;
    startToConsume(consumerName: string): Promise<void>;
    publish(events: EntityEvent[], options: IPublishingOptions): Promise<PubAck[]>;
}
/**
 * Escapes only NATS-specific special characters: . * > and space
 * Uses a single pass for maximum efficiency
 */
export declare function escapeSubjectToken(token: string | undefined): string;
/**
 * Unescapes a subject token by URL-decoding it
 */
export declare function unescapeSubjectToken(token: string): string;
export {};