portfolio/lib/utils.ts

import { clsx, type ClassValue } from "clsx";
import { twMerge } from "tailwind-merge";

/**
 * Utility functions for the application
 */

/**
 * Combine tailwind classes safely
 */
export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

/**
 * Debounce helper to prevent duplicate function calls
 * @param func - The function to debounce
 * @param delay - The delay in milliseconds
 * @returns A debounced version of the function with a cleanup method
 */
export const debounce = <T extends (...args: unknown[]) => void>(
  func: T,
  delay: number
): (((...args: Parameters<T>) => void) & { cancel: () => void }) => {
  let timeoutId: NodeJS.Timeout | undefined;
  
  const debounced = (...args: Parameters<T>) => {
    if (timeoutId !== undefined) {
      clearTimeout(timeoutId);
    }
    timeoutId = setTimeout(() => func(...args), delay);
  };
  
  // Add cancel method to clear pending timeouts
  debounced.cancel = () => {
    if (timeoutId !== undefined) {
      clearTimeout(timeoutId);
      timeoutId = undefined;
    }
  };
  
  return debounced;
};