userface/build/engine/event-bus.js

Universal Data-Driven UI Engine with live data, validation, and multi-platform support

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.eventBus = exports.EventBus = void 0;
class EventBus {
    constructor() {
        Object.defineProperty(this, "events", {
            enumerable: true,
            configurable: true,
            writable: true,
            value: new Map()
        });
    }
    emit(event, data) {
        const callbacks = this.events.get(event);
        if (callbacks) {
            callbacks.forEach(callback => {
                try {
                    callback(data);
                }
                catch (error) {
                    console.error(`Error in event callback for ${event}:`, error);
                }
            });
        }
    }
    on(event, callback) {
        if (!this.events.has(event)) {
            this.events.set(event, []);
        }
        this.events.get(event).push(callback);
    }
    off(event, callback) {
        const callbacks = this.events.get(event);
        if (callbacks) {
            const index = callbacks.indexOf(callback);
            if (index > -1) {
                callbacks.splice(index, 1);
            }
            if (callbacks.length === 0) {
                this.events.delete(event);
            }
        }
    }
    once(event, callback) {
        const onceCallback = (data) => {
            callback(data);
            this.off(event, onceCallback);
        };
        this.on(event, onceCallback);
    }
    clear() {
        this.events.clear();
    }
    getEventCount(event) {
        return this.events.get(event)?.length || 0;
    }
    getAllEvents() {
        return Array.from(this.events.keys());
    }
}
exports.EventBus = EventBus;
exports.eventBus = new EventBus();