first commit

lib/utils/index.ts

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+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+export function formatNumber(num: number): string {
+  return new Intl.NumberFormat('fr-FR').format(num);
+}
+
+export function formatDate(date: Date): string {
+  return new Intl.DateTimeFormat('fr-FR', {
+    year: 'numeric',
+    month: 'short',
+    day: 'numeric',
+    hour: '2-digit',
+    minute: '2-digit'
+  }).format(date);
+}
+
+export function formatCurrency(amount: number): string {
+  return new Intl.NumberFormat('fr-FR', {
+    style: 'currency',
+    currency: 'EUR'
+  }).format(amount);
+}