Taskmaster

/** * Simple Event Emitter * Lightweight alternative to complex event bus */ export type EventHandler = (...args: any[]) => void | Promise<void>; export class EventEmitter { private handlers = new Map<string, Set<EventHandler>>(); on(event: string, handler: EventHandler): () => void { if (!this.handlers.has(event)) { this.handlers.set(event, new Set()); } this.handlers.get(event)?.add(handler); // Return unsubscribe function return () => this.off(event, handler); } off(event: string, handler: EventHandler): void { this.handlers.get(event)?.delete(handler); } emit(event: string, ...args: any[]): void { this.handlers.get(event)?.forEach((handler) => { try { handler(...args); } catch (error) { console.error(`Error in event handler for ${event}:`, error); } }); } }