second commit

src/lib/rateLimit.ts

@@ -0,0 +1,23 @@
+// src/lib/rateLimit.ts
+const rateLimits = new Map<string, { count: number; resetTime: number }>()
+
+export function rateLimit(
+  ip: string,
+  limit: number = 100,
+  windowMs: number = 60000 // 1 minute
+): { success: boolean; remaining: number; resetTime: number } {
+  const now = Date.now()
+  const record = rateLimits.get(ip)
+
+  if (!record || now > record.resetTime) {
+    rateLimits.set(ip, { count: 1, resetTime: now + windowMs })
+    return { success: true, remaining: limit - 1, resetTime: now + windowMs }
+  }
+
+  if (record.count >= limit) {
+    return { success: false, remaining: 0, resetTime: record.resetTime }
+  }
+
+  record.count++
+  return { success: true, remaining: limit - record.count, resetTime: record.resetTime }
+}