first commit

calcom/packages/lib/isRecurringEvent.ts

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+import { recurringEventType as recurringEventSchema } from "@calcom/prisma/zod-utils";
+import type { RecurringEvent } from "@calcom/types/Calendar";
+
+export function isRecurringEvent(obj: unknown): obj is RecurringEvent {
+  const parsed = recurringEventSchema.safeParse(obj);
+
+  return parsed.success;
+}
+
+export function parseRecurringEvent(obj: unknown): RecurringEvent | null {
+  let recurringEvent: RecurringEvent | null = null;
+
+  if (isRecurringEvent(obj)) recurringEvent = obj;
+
+  return recurringEvent;
+}