rabbitmq-enterprise-toolkit/dist/core/graceful-shutdown.js

🚀 Enterprise-grade RabbitMQ wrapper for Node.js & TypeScript - High-throughput messaging with automatic retry, DLQ, batch processing & graceful shutdown. Production-ready AMQP client with zero message loss guarantee.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.GracefulShutdown = void 0;
class GracefulShutdown {
    constructor(timeoutMs = 10000) {
        this.timeoutMs = timeoutMs;
        this.isShuttingDown = false;
        this.shutdownPromise = null;
    }
    async shutdown() {
        if (this.shutdownPromise) {
            return this.shutdownPromise;
        }
        this.isShuttingDown = true;
        this.shutdownPromise = this.createShutdownPromise();
        return this.shutdownPromise;
    }
    isShutdownInProgress() {
        return this.isShuttingDown;
    }
    createShutdownPromise() {
        return new Promise((resolve) => {
            const timer = setTimeout(() => {
                console.warn(`Graceful shutdown timeout after ${this.timeoutMs}ms`);
                resolve();
            }, this.timeoutMs);
            // Allow immediate shutdown if needed
            process.nextTick(() => {
                clearTimeout(timer);
                resolve();
            });
        });
    }
}
exports.GracefulShutdown = GracefulShutdown;
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