initial commit

lib/utils.ts

@@ -0,0 +1,30 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+// Validate YouTube URL
+export function isValidYouTubeUrl(url: string): boolean {
+  const youtubeRegex = /^(https?:\/\/)?(www\.)?(youtube\.com|youtu\.be)\/.+/;
+  return youtubeRegex.test(url);
+}
+
+// Extract YouTube video ID
+export function extractYouTubeId(url: string): string | null {
+  const patterns = [
+    /(?:youtube\.com\/watch\?v=|youtu\.be\/)([^&\n?#]+)/,
+    /youtube\.com\/embed\/([^&\n?#]+)/,
+    /youtube\.com\/v\/([^&\n?#]+)/,
+  ];
+  
+  for (const pattern of patterns) {
+    const match = url.match(pattern);
+    if (match && match[1]) {
+      return match[1];
+    }
+  }
+  
+  return null;
+}