hrms-shared/utils/rabbitmq.js

HRMS shared code: models, middleware, utils

const amqp = require("amqplib");

let conn = null;
let channel = null;
let connecting = null;

async function getRabbitChannel() {
    if (channel) return channel;

    if (!connecting) {
        connecting = (async () => {
            conn = await amqp.connect(process.env.AMQP_URL || "amqp://localhost");
            channel = await conn.createChannel();
            return channel;
        })();
    }

    return connecting;
};

process.on("SIGINT", async () => {
    if (conn) {
        await conn.close();
        console.log("RabbitMQ connection closed");
    }
    process.exit(0);
});

module.exports = { getRabbitChannel };