Add utility function retry, we will use this function in case of failure in AI streaming response to retry with variable like maxAttempts, baseDelay, maxDelay which we can pass in based on our need

Author: blazedglimmer

utils/retry.ts

@@ -0,0 +1,29 @@
+interface RetryConfig {
+  maxAttempts?: number;
+  baseDelay?: number;
+  maxDelay?: number;
+}
+
+export async function withRetry<T>(
+  fn: () => Promise<T>,
+  config: RetryConfig = {}
+): Promise<T> {
+  const { maxAttempts = 3, baseDelay = 1000, maxDelay = 10000 } = config;
+
+  let attempt = 1;
+
+  while (true) {
+    try {
+      return await fn();
+    } catch (error) {
+      if (attempt >= maxAttempts) {
+        throw error;
+      }
+
+      const delay = Math.min(baseDelay * Math.pow(2, attempt - 1), maxDelay);
+
+      await new Promise(resolve => setTimeout(resolve, delay));
+      attempt++;
+    }
+  }
+}