ive-connect/dist/core/events.js

A universal haptic device control library for interactive experiences

"use strict";
/**
 * Simple event system for device communication
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.EventEmitter = void 0;
class EventEmitter {
    constructor() {
        this.events = new Map();
    }
    /**
     * Register an event listener
     * @param event Event name
     * @param callback Function to call when event is emitted
     * @returns Unsubscribe function
     */
    on(event, callback) {
        if (!this.events.has(event)) {
            this.events.set(event, new Set());
        }
        this.events.get(event).add(callback);
        // Return unsubscribe function
        return () => this.off(event, callback);
    }
    /**
     * Remove an event listener
     * @param event Event name
     * @param callback Function to remove
     */
    off(event, callback) {
        const callbacks = this.events.get(event);
        if (callbacks) {
            callbacks.delete(callback);
            if (callbacks.size === 0) {
                this.events.delete(event);
            }
        }
    }
    /**
     * Emit an event with data
     * @param event Event name
     * @param data Data to pass to listeners
     */
    emit(event, data) {
        const callbacks = this.events.get(event);
        if (callbacks) {
            for (const callback of callbacks) {
                try {
                    callback(data);
                }
                catch (e) {
                    console.error(`Error in event listener for ${event}:`, e);
                }
            }
        }
    }
    /**
     * Remove all event listeners
     * @param event Optional event name. If not provided, all events are cleared.
     */
    removeAllListeners(event) {
        if (event) {
            this.events.delete(event);
        }
        else {
            this.events.clear();
        }
    }
}
exports.EventEmitter = EventEmitter;