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

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PgTrxOutbox = void 0;
const notifier_ts_1 = require("./notifier.js");
const poller_ts_1 = require("./poller.js");
const transfer_ts_1 = require("./transfer.js");
const fsm_ts_1 = require("./fsm.js");
const ts_pattern_1 = require("ts-pattern");
const pg_ts_1 = require("./pg.js");
const ts_fp_di_1 = require("ts-fp-di");
const es_ts_1 = require("./es.js");
class PgTrxOutbox {
    pg;
    transfer;
    adapter;
    poller;
    notifier;
    es;
    fsm;
    constructor(options) {
        const opts = {
            ...options,
            outboxOptions: {
                onError(err) {
                    console.error(`Error happens on pg-trx-outbox: ${err.stack ?? err.message ?? err}`);
                },
                ...options.outboxOptions,
            },
        };
        this.adapter = opts.adapter;
        this.pg = new pg_ts_1.Pg(opts);
        this.es = new es_ts_1.Es(this.pg, this.adapter, opts);
        this.transfer = new transfer_ts_1.Transfer(opts, this.pg, this.adapter, this.es);
        this.fsm = new fsm_ts_1.FSM(opts, this.transfer);
        (0, ts_pattern_1.match)(opts.outboxOptions?.mode)
            .with(ts_pattern_1.P.union('short-polling', void 0), () => (this.poller = new poller_ts_1.Poller(opts, this.fsm)))
            .with('notify', () => {
            this.poller = new poller_ts_1.Poller(opts, this.fsm);
            this.notifier = new notifier_ts_1.Notifier(opts, this.fsm);
        })
            .exhaustive();
    }
    async start() {
        await this.transfer.start();
        await this.adapter.start();
        await this.pg.start();
        await this.es.start();
        await this.poller?.start();
        await this.notifier?.start();
    }
    async stop() {
        await this.es.stop();
        await this.notifier?.stop();
        await this.poller?.stop();
        await this.transfer.stop();
        await this.pg.stop();
        await this.adapter.stop();
    }
    contextId() {
        return (0, ts_fp_di_1.diExists)() && (0, ts_fp_di_1.diHas)('pg_trx_outbox_context_id') ? (0, ts_fp_di_1.diDep)('pg_trx_outbox_context_id') : null;
    }
    getLastEventId() {
        return this.es.getLastEventId();
    }
    fetchEvents() {
        this.fsm.send('manual');
    }
}
exports.PgTrxOutbox = PgTrxOutbox;