mcp-quiz-server/public/dist/components/quiz/EventManagement.js

🧠 AI-Powered Quiz Management via Model Context Protocol (MCP) - Create, manage, and take quizzes directly from VS Code, Claude, and other AI agents.

export class EventManagement {
    static addListener(element, event, handler, key) {
        if (this.eventListeners.has(key)) {
            const existing = this.eventListeners.get(key);
            existing.element.removeEventListener(existing.event, existing.handler);
        }
        element.addEventListener(event, handler);
        this.eventListeners.set(key, {
            element,
            event,
            handler,
        });
        console.log(`🔗 Event listener added: ${key} (${event})`);
    }
    static removeListener(key) {
        if (this.eventListeners.has(key)) {
            const listener = this.eventListeners.get(key);
            listener.element.removeEventListener(listener.event, listener.handler);
            this.eventListeners.delete(key);
            console.log(`🗑️ Event listener removed: ${key}`);
        }
    }
    static cleanup(keys) {
        const keysToClean = keys || Array.from(this.eventListeners.keys());
        keysToClean.forEach(key => {
            this.removeListener(key);
        });
        console.log(`🧹 Event cleanup completed: ${keysToClean.length} listeners removed`);
    }
    static getActiveListenerCount() {
        return this.eventListeners.size;
    }
    static getActiveListenerKeys() {
        return Array.from(this.eventListeners.keys());
    }
    static delegate(container, selector, event, handler, key) {
        const delegatedHandler = (e) => {
            const target = e.target.closest(selector);
            if (target) {
                handler(e, target);
            }
        };
        this.addListener(container, event, delegatedHandler, key);
    }
    static componentCleanup(componentPrefix) {
        const componentKeys = Array.from(this.eventListeners.keys()).filter(key => key.startsWith(componentPrefix));
        this.cleanup(componentKeys);
        console.log(`🏗️ Component cleanup: ${componentPrefix} (${componentKeys.length} listeners)`);
    }
}
EventManagement.eventListeners = new Map();
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