durabull/dist/queues.js

A durable workflow engine built on top of BullMQ and Redis

"use strict";
/**
 * BullMQ queue management
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.closeQueues = exports.getQueues = exports.initQueues = void 0;
const bullmq_1 = require("bullmq");
const ioredis_1 = require("ioredis");
const global_1 = require("./config/global");
let queues = null;
/**
 * Initialize queues with explicit configuration
 */
function initQueues(redisUrl, workflowQueue, activityQueue) {
    if (queues) {
        // If already initialized, check if config matches.
        // If it does, return existing. If not, throw error to prevent leaks/confusion.
        // Note: We can't easily check redisUrl equality due to potential formatting differences,
        // but we can check queue names.
        if (queues.workflow.name === workflowQueue && queues.activity.name === activityQueue) {
            return queues;
        }
        throw new Error('Queues already initialized with different configuration. Call closeQueues() first.');
    }
    const connection = new ioredis_1.Redis(redisUrl, {
        maxRetriesPerRequest: null,
    });
    queues = {
        workflow: new bullmq_1.Queue(workflowQueue, { connection }),
        activity: new bullmq_1.Queue(activityQueue, { connection }),
        workflowEvents: new bullmq_1.QueueEvents(workflowQueue, { connection }),
        activityEvents: new bullmq_1.QueueEvents(activityQueue, { connection }),
        connection,
    };
    return queues;
}
exports.initQueues = initQueues;
/**
 * Get queue instances (must call initQueues first in durable mode)
 */
function getQueues() {
    if (!queues) {
        const instance = global_1.Durabull.getActive();
        if (instance) {
            const config = instance.getConfig();
            return initQueues(config.redisUrl, config.queues.workflow, config.queues.activity);
        }
        throw new Error('Durabull instance not initialized. Call new Durabull(config) first.');
    }
    return queues;
}
exports.getQueues = getQueues;
/**
 * Close all queue connections
 */
async function closeQueues() {
    if (queues) {
        await queues.workflow.close();
        await queues.activity.close();
        await queues.workflowEvents.close();
        await queues.activityEvents.close();
        await queues.connection.quit();
        queues = null;
    }
}
exports.closeQueues = closeQueues;