pg-trx-outbox/dist/src/notifier.js

Transactional outbox of Postgres for Node.js with little Event Sourcing

"use strict";
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});
var __importStar = (this && this.__importStar) || (function () {
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Notifier = void 0;
const app_name_ts_1 = require("./app-name.js");
class Notifier {
    notifier;
    options;
    transfer;
    constructor(options, transfer) {
        this.options = options;
        this.transfer = transfer;
        Promise.resolve().then(() => __importStar(require('pg-listen'))).then(({ default: createSubscriber }) => {
            this.notifier = createSubscriber({
                application_name: `pg_trx_outbox_pubsub_${app_name_ts_1.appName}`,
                ...options.pgOptions,
            });
            this.notifier.events.on('error', err => options.outboxOptions?.onError?.(err));
        });
    }
    async start() {
        await this.notifier.connect();
        await this.notifier.listenTo('pg_trx_outbox');
        this.notifier.notifications.on('pg_trx_outbox', () => this.transfer.transferMessages().catch(err => this.options.outboxOptions?.onError?.(err)));
    }
    async stop() {
        await this.notifier.close();
    }
}
exports.Notifier = Notifier;