migration wip

lib/utils.ts

@@ -0,0 +1,87 @@
+import { type ClassValue, clsx } from 'clsx';
+import { twMerge } from 'tailwind-merge';
+
+/**
+ * Utility function to merge Tailwind CSS classes with clsx support
+ * Handles class merging, conflict resolution, and conditional classes
+ */
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
+
+/**
+ * Utility function to check if a value is not null or undefined
+ */
+export function isNonNullable<T>(value: T | null | undefined): value is T {
+  return value != null;
+}
+
+/**
+ * Utility function to format currency
+ */
+export function formatCurrency(amount: number, currency: string = 'EUR', locale: string = 'de-DE'): string {
+  return new Intl.NumberFormat(locale, {
+    style: 'currency',
+    currency: currency,
+    minimumFractionDigits: 2,
+    maximumFractionDigits: 2,
+  }).format(amount);
+}
+
+/**
+ * Utility function to format date
+ */
+export function formatDate(date: Date | string, locale: string = 'de-DE'): string {
+  const d = typeof date === 'string' ? new Date(date) : date;
+  return new Intl.DateTimeFormat(locale, {
+    year: 'numeric',
+    month: 'long',
+    day: 'numeric',
+  }).format(d);
+}
+
+/**
+ * Utility function to generate slug from text
+ */
+export function generateSlug(text: string): string {
+  return text
+    .toLowerCase()
+    .replace(/[^\w\s-]/g, '')
+    .replace(/\s+/g, '-')
+    .replace(/-+/g, '-')
+    .trim();
+}
+
+/**
+ * Utility function to debounce function calls
+ */
+export function debounce<T extends (...args: any[]) => any>(
+  func: T,
+  wait: number
+): (...args: Parameters<T>) => void {
+  let timeout: NodeJS.Timeout;
+  return (...args: Parameters<T>) => {
+    clearTimeout(timeout);
+    timeout = setTimeout(() => func(...args), wait);
+  };
+}
+
+/**
+ * Utility function to get initials from a name
+ */
+export function getInitials(name: string): string {
+  return name
+    .split(' ')
+    .map(part => part[0])
+    .join('')
+    .toUpperCase()
+    .slice(0, 2);
+}
+
+/**
+ * Utility function to truncate text
+ */
+export function truncate(text: string, maxLength: number, suffix = '...'): string {
+  if (text.length <= maxLength) return text;
+  return text.slice(0, maxLength - suffix.length) + suffix;
+}