Cleanup test files and move to another folder
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// js/core/EventBus.js
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/**
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* Central event dispatcher for calendar using DOM CustomEvents
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* Provides logging and debugging capabilities
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*/
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export class EventBus {
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constructor() {
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this.eventLog = [];
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this.debug = false; // Set to true for console logging
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this.listeners = new Set(); // Track listeners for cleanup
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}
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/**
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* Subscribe to an event via DOM addEventListener
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* @param {string} eventType
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* @param {Function} handler
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* @param {Object} options
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* @returns {Function} Unsubscribe function
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*/
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on(eventType, handler, options = {}) {
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document.addEventListener(eventType, handler, options);
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// Track for cleanup
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this.listeners.add({ eventType, handler, options });
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// Return unsubscribe function
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return () => this.off(eventType, handler);
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}
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/**
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* Subscribe to an event once
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* @param {string} eventType
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* @param {Function} handler
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*/
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once(eventType, handler) {
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return this.on(eventType, handler, { once: true });
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}
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/**
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* Unsubscribe from an event
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* @param {string} eventType
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* @param {Function} handler
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*/
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off(eventType, handler) {
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document.removeEventListener(eventType, handler);
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// Remove from tracking
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for (const listener of this.listeners) {
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if (listener.eventType === eventType && listener.handler === handler) {
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this.listeners.delete(listener);
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break;
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}
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}
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}
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/**
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* Emit an event via DOM CustomEvent
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* @param {string} eventType
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* @param {*} detail
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* @returns {boolean} Whether event was cancelled
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*/
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emit(eventType, detail = {}) {
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const event = new CustomEvent(eventType, {
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detail,
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bubbles: true,
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cancelable: true
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});
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this.eventLog.push({
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type: eventType,
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detail,
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timestamp: Date.now()
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});
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// Emit on document (only DOM events now)
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return !document.dispatchEvent(event);
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}
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/**
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* Get event history
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* @param {string} eventType Optional filter by type
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* @returns {Array}
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*/
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getEventLog(eventType = null) {
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if (eventType) {
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return this.eventLog.filter(e => e.type === eventType);
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}
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return this.eventLog;
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}
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/**
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* Enable/disable debug mode
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* @param {boolean} enabled
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*/
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setDebug(enabled) {
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this.debug = enabled;
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}
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/**
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* Clean up all tracked listeners
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*/
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destroy() {
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for (const listener of this.listeners) {
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document.removeEventListener(listener.eventType, listener.handler);
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}
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this.listeners.clear();
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this.eventLog = [];
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}
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}
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// Create singleton instance
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export const eventBus = new EventBus();
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