examjam-frontend/lib/utils.ts

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

export function cn(...inputs: ClassValue[]) {
  return twMerge(clsx(inputs));
}

export const getFromStorage = <T>(key: string): T | null => {
  if (typeof window === "undefined") return null;

  try {
    const item = sessionStorage.getItem(key);
    return item ? JSON.parse(item) : null;
  } catch (error) {
    console.error(`Error reading from sessionStorage (${key}):`, error);
    return null;
  }
};

export const setToStorage = <T>(key: string, value: T): void => {
  if (typeof window === "undefined") return;

  try {
    sessionStorage.setItem(key, JSON.stringify(value));
  } catch (error) {
    console.error(`Error writing to sessionStorage (${key}):`, error);
  }
};

export const removeFromStorage = (key: string): void => {
  if (typeof window === "undefined") return;

  try {
    sessionStorage.removeItem(key);
  } catch (error) {
    console.error(`Error removing from sessionStorage (${key}):`, error);
  }
};