src/lib/utils.ts

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

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

export function normalizeEmail(value: string) {
  return value.trim().toLowerCase();
}

export function trimOrUndefined(value: string | null | undefined) {
  const trimmed = value?.trim();

  if (!trimmed) {
    return undefined;
  }

  return trimmed;
}