pg-trx-outbox/dist/src/adapters/abstract/grouped-async.js

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

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.GroupedAsyncAdapter = void 0;
const p_queue_1 = __importDefault(require("p-queue"));
const base_ts_1 = require("./base.js");
class GroupedAsyncAdapter extends base_ts_1.BaseAdapter {
    queues = new Map();
    async send(messages) {
        const resp = [];
        for (const message of messages) {
            if (!this.queues.has(message.key)) {
                this.queues.set(message.key, new p_queue_1.default({ concurrency: 1 }));
            }
            resp.push(this.queues.get(message.key).add(() => this.baseHandleMessage(message)));
        }
        const result = await Promise.all(resp);
        this.cleanup();
        return result;
    }
    cleanup() {
        for (const [key, queue] of this.queues.entries()) {
            if (!queue.size && !queue.pending) {
                this.queues.delete(key);
            }
        }
    }
}
exports.GroupedAsyncAdapter = GroupedAsyncAdapter;