# Event Emitter The `Emitter` class extends Node.js EventEmitter to automatically emit all events to `'*'` listeners in addition to specific event listeners. ## API ```typescript // Extended EventEmitter that also emits all events to '*' listeners export declare class Emitter extends EventEmitter { // Emits an event to listeners and to '*' listeners emit(type: string, ...args: any[]): boolean; } ``` ## Example ```typescript import { Emitter } from '@welshman/lib'; const emitter = new Emitter(); // Listen for specific events emitter.on('message', (data) => { console.log('Message:', data); }); // Listen for all events with '*' emitter.on('*', (eventType, ...args) => { console.log('Event:', eventType, args); }); // Emit an event - triggers both listeners emitter.emit('message', 'Hello world'); // Output: // Event: message ['Hello world'] // Message: Hello world ```