fix: resolve TS2802 Set iteration error and apply biome formatting

Replace `[...new Set()]` with `Array.from(new Set())` in
UserRepository.findByEmails to fix TypeScript downlevelIteration
compilation error. Also applies biome auto-formatting (import ordering,
line wrapping) across changed files.

https://claude.ai/code/session_01P7vSb25vbhtTxChmTMQsew

Author: Bertha Cornish

apps/web/modules/schedules/hooks/useEvent.ts

@@ -1,12 +1,10 @@
-import { shallow } from "zustand/shallow";
-
 import { useBookerStoreContext } from "@calcom/features/bookings/Booker/BookerStoreProvider";
-import { useSchedule } from "@calcom/web/modules/schedules/hooks/useSchedule";
-import { useCompatSearchParams } from "@calcom/lib/hooks/useCompatSearchParams";
-import { trpc } from "@calcom/trpc/react";
-
 import { useBookerTime } from "@calcom/features/bookings/Booker/hooks/useBookerTime";
 import { useStableTimezone } from "@calcom/features/bookings/Booker/hooks/useStableTimezone";
+import { useCompatSearchParams } from "@calcom/lib/hooks/useCompatSearchParams";
+import { trpc } from "@calcom/trpc/react";
+import { useSchedule } from "@calcom/web/modules/schedules/hooks/useSchedule";
+import { shallow } from "zustand/shallow";
 
 export type useEventReturnType = ReturnType<typeof useEvent>;
 export type useScheduleForEventReturnType = ReturnType<typeof useScheduleForEvent>;

apps/web/modules/schedules/hooks/useSchedule.ts

@@ -1,5 +1,3 @@
-import { useSearchParams } from "next/navigation";
-
 import { updateEmbedBookerState } from "@calcom/embed-core/src/embed-iframe";
 import { sdkActionManager } from "@calcom/embed-core/src/sdk-event";
 import { useBookerStore } from "@calcom/features/bookings/Booker/store";
@@ -9,7 +7,7 @@ import { useTimesForSchedule } from "@calcom/features/schedules/hooks/useTimesFo
 import { getRoutedTeamMemberIdsFromSearchParams } from "@calcom/lib/bookings/getRoutedTeamMemberIdsFromSearchParams";
 import { PUBLIC_QUERY_AVAILABLE_SLOTS_INTERVAL_SECONDS } from "@calcom/lib/constants";
 import { trpc } from "@calcom/trpc/react";
-
+import { useSearchParams } from "next/navigation";
 import { useApiV2AvailableSlots } from "./useApiV2AvailableSlots";
 
 export type UseScheduleWithCacheArgs = {

packages/features/availability/lib/getUserAvailability.ts

@@ -618,14 +618,12 @@ export class UserAvailabilityService {
       };
     }
 
-    const guestBusyTimesFormatted: EventBusyDetails[] = (initialData?.guestBusyTimes ?? []).map(
-      (t) => ({
-        start: dayjs.utc(t.start).toISOString(),
-        end: dayjs.utc(t.end).toISOString(),
-        title: "Guest busy",
-        source: withSource ? "guest-availability" : "",
-      })
-    );
+    const guestBusyTimesFormatted: EventBusyDetails[] = (initialData?.guestBusyTimes ?? []).map((t) => ({
+      start: dayjs.utc(t.start).toISOString(),
+      end: dayjs.utc(t.end).toISOString(),
+      title: "Guest busy",
+      source: withSource ? "guest-availability" : "",
+    }));
 
     const detailedBusyTimesWithSource: EventBusyDetails[] = [
       ...busyTimes.map((a) => ({

packages/features/users/repositories/UserRepository.test.ts

@@ -3,6 +3,7 @@ import { UserRepository } from "@calcom/features/users/repositories/UserReposito
 import type { PrismaClient } from "@calcom/prisma";
 import { CreationSource } from "@calcom/prisma/enums";
 import { beforeEach, describe, expect, test, vi } from "vitest";
+
 vi.mock("@calcom/app-store/delegationCredential", () => ({
   enrichHostsWithDelegationCredentials: vi.fn(),
   getUsersCredentialsIncludeServiceAccountKey: vi.fn(),

packages/features/users/repositories/UserRepository.ts

@@ -1519,7 +1519,7 @@ export class UserRepository {
   async findByEmails({ emails }: { emails: string[] }) {
     if (!emails.length) return [];
 
-    const normalized = [...new Set(emails.map((e) => e.toLowerCase()))];
+    const normalized = Array.from(new Set(emails.map((e) => e.toLowerCase())));
 
     const [byPrimary, bySecondary] = await Promise.all([
       this.prismaClient.user.findMany({

packages/trpc/server/routers/viewer/slots/getGuestBusyTimesForReschedule.test.ts

@@ -360,15 +360,10 @@ describe("AvailableSlotsService - _getGuestBusyTimesForReschedule", () => {
       mockDependencies.bookingRepo.findByUidIncludeAttendeeEmails.mockResolvedValue({
         id: 1,
         uid: rescheduleUid,
-        attendees: [
-          { email: "caluser@cal.com" },
-          { email: "external@gmail.com" },
-        ],
+        attendees: [{ email: "caluser@cal.com" }, { email: "external@gmail.com" }],
         user: { email: hostEmail },
       });
-      mockDependencies.userRepo.findByEmails.mockResolvedValue([
-        { id: 10, email: "caluser@cal.com" },
-      ]);
+      mockDependencies.userRepo.findByEmails.mockResolvedValue([{ id: 10, email: "caluser@cal.com" }]);
       mockDependencies.bookingRepo.findByUserIdsAndDateRange.mockResolvedValue([]);
 
       await callGetGuestBusyTimes({
@@ -470,9 +465,7 @@ describe("AvailableSlotsService - _getGuestBusyTimesForReschedule", () => {
         attendees: [{ email: "cal-user@example.com" }, { email: "external@gmail.com" }],
         user: { email: hostEmail },
       });
-      mockDependencies.userRepo.findByEmails.mockResolvedValue([
-        { id: 42, email: "cal-user@example.com" },
-      ]);
+      mockDependencies.userRepo.findByEmails.mockResolvedValue([{ id: 42, email: "cal-user@example.com" }]);
       mockDependencies.bookingRepo.findByUserIdsAndDateRange.mockResolvedValue([]);
 
       await callGetGuestBusyTimes({

packages/trpc/server/routers/viewer/slots/types.ts

@@ -1,7 +1,6 @@
 import type { IncomingMessage } from "node:http";
-import { z } from "zod";
-
 import { timeZoneSchema } from "@calcom/lib/dayjs/timeZone.schema";
+import { z } from "zod";
 
 const isValidDateString = (val: string) => !isNaN(Date.parse(val));
 

packages/trpc/server/routers/viewer/slots/util.ts

@@ -9,19 +9,22 @@ import type {
   GetAvailabilityUser,
   UserAvailabilityService,
 } from "@calcom/features/availability/lib/getUserAvailability";
+import type { IGetAvailableSlots } from "@calcom/features/bookings/Booker/hooks/useAvailableTimeSlots";
 import type { CheckBookingLimitsService } from "@calcom/features/bookings/lib/checkBookingLimits";
 import { checkForConflicts } from "@calcom/features/bookings/lib/conflictChecker/checkForConflicts";
 import type { QualifiedHostsService } from "@calcom/features/bookings/lib/host-filtering/findQualifiedHostsWithDelegationCredentials";
 import { isEventTypeLoggingEnabled } from "@calcom/features/bookings/lib/isEventTypeLoggingEnabled";
 import type { BookingRepository } from "@calcom/features/bookings/repositories/BookingRepository";
 import type { BusyTimesService } from "@calcom/features/busyTimes/services/getBusyTimes";
 import type { getBusyTimesService } from "@calcom/features/di/containers/BusyTimes";
+import type { OrgMembershipLookup } from "@calcom/features/di/modules/OrgMembershipLookup";
 import type { TeamRepository } from "@calcom/features/ee/teams/repositories/TeamRepository";
 import { getDefaultEvent } from "@calcom/features/eventtypes/lib/defaultEvents";
 import type { EventTypeRepository } from "@calcom/features/eventtypes/repositories/eventTypeRepository";
 import type { FeaturesRepository } from "@calcom/features/flags/features.repository";
 import type { PrismaOOORepository } from "@calcom/features/ooo/repositories/PrismaOOORepository";
 import type { IRedisService } from "@calcom/features/redis/IRedisService";
+import type { RoutingFormResponseRepository } from "@calcom/features/routing-forms/repositories/RoutingFormResponseRepository";
 import { buildDateRanges } from "@calcom/features/schedules/lib/date-ranges";
 import getSlots from "@calcom/features/schedules/lib/slots";
 import type { ScheduleRepository } from "@calcom/features/schedules/repositories/ScheduleRepository";
@@ -48,7 +51,6 @@ import {
 import logger from "@calcom/lib/logger";
 import { safeStringify } from "@calcom/lib/safeStringify";
 import { withReporting } from "@calcom/lib/sentryWrapper";
-import type { RoutingFormResponseRepository } from "@calcom/features/routing-forms/repositories/RoutingFormResponseRepository";
 import { PeriodType, SchedulingType } from "@calcom/prisma/enums";
 import type { CalendarFetchMode, EventBusyDate, EventBusyDetails } from "@calcom/types/Calendar";
 import type { CredentialForCalendarService } from "@calcom/types/Credential";
@@ -57,8 +59,6 @@ import type { Logger } from "tslog";
 import { v4 as uuid } from "uuid";
 import type { TGetScheduleInputSchema } from "./getSchedule.schema";
 import type { GetScheduleOptions } from "./types";
-import type { OrgMembershipLookup } from "@calcom/features/di/modules/OrgMembershipLookup";
-import type { IGetAvailableSlots } from "@calcom/features/bookings/Booker/hooks/useAvailableTimeSlots";
 
 const log = logger.getSubLogger({ prefix: ["[slots/util]"] });
 const DEFAULT_SLOTS_CACHE_TTL = 2000;
@@ -861,16 +861,13 @@ export class AvailableSlotsService {
       // without being constrained by other guests' schedules.
       if (rescheduledBy) {
         const hostEmail = original.user?.email;
-        const isHostReschedule =
-          hostEmail && rescheduledBy.toLowerCase() === hostEmail.toLowerCase();
+        const isHostReschedule = hostEmail && rescheduledBy.toLowerCase() === hostEmail.toLowerCase();
         if (!isHostReschedule) {
           return [];
         }
       }
 
-      const emails = original.attendees
-        .map((a) => a.email)
-        .filter((e): e is string => Boolean(e));
+      const emails = original.attendees.map((a) => a.email).filter((e): e is string => Boolean(e));
       if (!emails.length) return [];
 
       const calUsers = await this.dependencies.userRepo.findByEmails({ emails });