feat: global ui & functional update

lib/utils/channel-parser.ts

@@ -0,0 +1,53 @@
+// ============================================================================
+// Channel URL Parser Utility
+// Parses various URL formats and usernames to extract channel username
+// ============================================================================
+
+export function parseChannelInput(input: string): string | null {
+  if (!input || typeof input !== "string") return null;
+
+  let cleaned = input.trim();
+
+  // Remove @ prefix if present
+  cleaned = cleaned.replace(/^@/, "");
+
+  // Patterns for different URL formats
+  const patterns: RegExp[] = [
+    /telemetr\.me\/content\/([a-zA-Z0-9_]+)/, // telemetr.me/content/rian_ru
+    /telemetr\.me\/([a-zA-Z0-9_]+)/, // telemetr.me/rian_ru (alternative)
+    /t\.me\/([a-zA-Z0-9_]+)/, // t.me/rian_ru or https://t.me/rian_ru
+    /tgstat\.ru\/channel\/@?([a-zA-Z0-9_]+)/, // tgstat.ru/channel/@rian_ru or tgstat.ru/channel/rian_ru
+    /tg\.me\/([a-zA-Z0-9_]+)/, // tg.me/rian_ru
+  ];
+
+  for (const pattern of patterns) {
+    const match = cleaned.match(pattern);
+    if (match && match[1]) {
+      return match[1];
+    }
+  }
+
+  // If it's just a plain username (alphanumeric + underscore)
+  if (/^[a-zA-Z0-9_]+$/.test(cleaned)) {
+    return cleaned;
+  }
+
+  return null;
+}
+
+// Check if input is a valid channel identifier
+export function isValidChannelInput(input: string): boolean {
+  return parseChannelInput(input) !== null;
+}
+
+// Get platform hint from URL (for analytics links)
+export function getChannelAnalyticsUrls(username: string): {
+  telemetr: string;
+  tgstat: string;
+} {
+  const cleanUsername = username.replace(/^@/, "");
+  return {
+    telemetr: `https://telemetr.me/channel/${cleanUsername}`,
+    tgstat: `https://tgstat.ru/channel/@${cleanUsername}`,
+  };
+}