first commit

calcom/packages/lib/isDurationLimits.ts

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+import { intervalLimitsType } from "@calcom/prisma/zod-utils";
+import type { IntervalLimit } from "@calcom/types/Calendar";
+
+export function isDurationLimit(obj: unknown): obj is IntervalLimit {
+  return intervalLimitsType.safeParse(obj).success;
+}
+
+export function parseDurationLimit(obj: unknown): IntervalLimit | null {
+  let durationLimit: IntervalLimit | null = null;
+  if (isDurationLimit(obj)) durationLimit = obj;
+  return durationLimit;
+}