KuzuMem-MCP

/** * Thread-safe Singleton Metaclass implementation * Uses TypeScript design patterns to ensure singleton behavior */ // import threading from 'node:worker_threads'; // This import was present but not used import { Mutex } from './mutex'; // Import Mutex from the dedicated file /** * Singleton metaclass implementation * Following the user's Python best practices adapted to TypeScript */ export class SingletonMeta { private static _instances: Record<string, any> = {}; private static _lock = new Mutex(); // Use the imported Mutex static async getInstance<T>( classConstructor: new (...args: any[]) => T, ...args: any[] ): Promise<T> { const className = classConstructor.name; const release = await SingletonMeta._lock.acquire(); try { if (!SingletonMeta._instances[className]) { SingletonMeta._instances[className] = new classConstructor(...args); } return SingletonMeta._instances[className] as T; } finally { release(); } } }