perf: Remove dayjs import from main constants.ts file (#19644)

apps/web/lib/clock.ts

@@ -1,10 +1,10 @@
 // handles logic related to user clock display using 24h display / timeZone options.
-import { CURRENT_TIMEZONE } from "@calcom/lib/constants";
 import {
   getIs24hClockFromLocalStorage,
   isBrowserLocale24h,
   setIs24hClockInLocalStorage,
 } from "@calcom/lib/timeFormat";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { localStorage } from "@calcom/lib/webstorage";
 
 interface TimeOptions {

apps/web/modules/bookings/views/bookings-single-view.tsx

@@ -28,7 +28,7 @@ import {
   SystemField,
   TITLE_FIELD,
 } from "@calcom/features/bookings/lib/SystemField";
-import { APP_NAME, CURRENT_TIMEZONE } from "@calcom/lib/constants";
+import { APP_NAME } from "@calcom/lib/constants";
 import {
   formatToLocalizedDate,
   formatToLocalizedTime,
@@ -45,6 +45,7 @@ import isSmsCalEmail from "@calcom/lib/isSmsCalEmail";
 import { markdownToSafeHTML } from "@calcom/lib/markdownToSafeHTML";
 import { getEveryFreqFor } from "@calcom/lib/recurringStrings";
 import { getIs24hClockFromLocalStorage, isBrowserLocale24h } from "@calcom/lib/timeFormat";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { localStorage } from "@calcom/lib/webstorage";
 import { BookingStatus, SchedulingType } from "@calcom/prisma/enums";
 import { bookingMetadataSchema, eventTypeMetaDataSchemaWithTypedApps } from "@calcom/prisma/zod-utils";

apps/web/modules/signup-view.tsx

@@ -22,7 +22,6 @@ import {
   APP_NAME,
   URL_PROTOCOL_REGEX,
   IS_CALCOM,
-  IS_EUROPE,
   WEBAPP_URL,
   CLOUDFLARE_SITE_ID,
   WEBSITE_PRIVACY_POLICY_URL,
@@ -36,6 +35,7 @@ import { useCompatSearchParams } from "@calcom/lib/hooks/useCompatSearchParams";
 import { useDebounce } from "@calcom/lib/hooks/useDebounce";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
 import { collectPageParameters, telemetryEventTypes, useTelemetry } from "@calcom/lib/telemetry";
+import { IS_EUROPE } from "@calcom/lib/timezoneConstants";
 import { signupSchema as apiSignupSchema } from "@calcom/prisma/zod-utils";
 import type { inferSSRProps } from "@calcom/types/inferSSRProps";
 import { Button, PasswordField, TextField, Form, Alert, CheckboxField, Icon, showToast } from "@calcom/ui";

packages/features/bookings/Booker/components/EventMeta.tsx

@@ -10,9 +10,9 @@ import { SeatsAvailabilityText } from "@calcom/features/bookings/components/Seat
 import { EventMetaBlock } from "@calcom/features/bookings/components/event-meta/Details";
 import { useTimePreferences } from "@calcom/features/bookings/lib";
 import type { BookerEvent } from "@calcom/features/bookings/types";
-import { CURRENT_TIMEZONE } from "@calcom/lib/constants";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
 import { markdownToSafeHTMLClient } from "@calcom/lib/markdownToSafeHTMLClient";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import type { EventTypeTranslation } from "@calcom/prisma/client";
 import { EventTypeAutoTranslatedField } from "@calcom/prisma/enums";
 

packages/features/bookings/lib/timePreferences.ts

@@ -1,7 +1,7 @@
 import { create } from "zustand";
 
-import { CURRENT_TIMEZONE } from "@calcom/lib/constants";
 import { TimeFormat, detectBrowserTimeFormat, setIs24hClockInLocalStorage } from "@calcom/lib/timeFormat";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { localStorage } from "@calcom/lib/webstorage";
 
 type TimePreferencesStore = {

packages/features/ee/payments/components/PaymentPage.tsx

@@ -10,11 +10,12 @@ import dayjs from "@calcom/dayjs";
 import { sdkActionManager, useIsEmbed } from "@calcom/embed-core/embed-iframe";
 import { PayIcon } from "@calcom/features/bookings/components/event-meta/PayIcon";
 import { Price } from "@calcom/features/bookings/components/event-meta/Price";
-import { APP_NAME, WEBSITE_URL, CURRENT_TIMEZONE } from "@calcom/lib/constants";
+import { APP_NAME, WEBSITE_URL } from "@calcom/lib/constants";
 import { getPaymentAppData } from "@calcom/lib/getPaymentAppData";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
 import useTheme from "@calcom/lib/hooks/useTheme";
 import { getIs24hClockFromLocalStorage, isBrowserLocale24h } from "@calcom/lib/timeFormat";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { localStorage } from "@calcom/lib/webstorage";
 
 import type { PaymentPageProps } from "../pages/payment";

packages/features/ee/teams/components/TeamAvailabilityModal.tsx

@@ -4,8 +4,9 @@ import dayjs from "@calcom/dayjs";
 import { TimezoneSelect } from "@calcom/features/components/timezone-select";
 import type { ITimezone } from "@calcom/features/components/timezone-select";
 import LicenseRequired from "@calcom/features/ee/common/components/LicenseRequired";
-import { WEBAPP_URL, CURRENT_TIMEZONE } from "@calcom/lib/constants";
+import { WEBAPP_URL } from "@calcom/lib/constants";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import type { RouterOutputs } from "@calcom/trpc/react";
 import { trpc } from "@calcom/trpc/react";
 import { Avatar, DatePicker, Label, Select } from "@calcom/ui";

packages/features/settings/TimezoneChangeDialog.tsx

@@ -5,8 +5,8 @@ import { useSession } from "next-auth/react";
 import { useEffect, useState } from "react";
 
 import dayjs from "@calcom/dayjs";
-import { CURRENT_TIMEZONE } from "@calcom/lib/constants";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { trpc } from "@calcom/trpc/react";
 import { showToast, Dialog, DialogClose, DialogContent, DialogFooter, DialogHeader } from "@calcom/ui";
 

packages/features/timezone-buddy/components/AvailabilitySliderTable.tsx

@@ -8,10 +8,10 @@ import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import dayjs from "@calcom/dayjs";
 import { DataTable, DataTableToolbar } from "@calcom/features/data-table";
 import { APP_NAME, WEBAPP_URL } from "@calcom/lib/constants";
-import { CURRENT_TIMEZONE } from "@calcom/lib/constants";
 import type { DateRange } from "@calcom/lib/date-ranges";
 import { useDebounce } from "@calcom/lib/hooks/useDebounce";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import type { MembershipRole } from "@calcom/prisma/enums";
 import { trpc } from "@calcom/trpc";
 import type { UserProfile } from "@calcom/types/UserProfile";

packages/lib/constants.ts

@@ -1,5 +1,3 @@
-import dayjs from "@calcom/dayjs";
-
 const VERCEL_URL = process.env.NEXT_PUBLIC_VERCEL_URL ? `https://${process.env.NEXT_PUBLIC_VERCEL_URL}` : "";
 const RAILWAY_STATIC_URL = process.env.RAILWAY_STATIC_URL ? `https://${process.env.RAILWAY_STATIC_URL}` : "";
 const HEROKU_URL = process.env.HEROKU_APP_NAME ? `https://${process.env.HEROKU_APP_NAME}.herokuapp.com` : "";
@@ -63,8 +61,6 @@ export const TRIAL_LIMIT_DAYS = 14;
 
 export const HOSTED_CAL_FEATURES = process.env.NEXT_PUBLIC_HOSTED_CAL_FEATURES || !IS_SELF_HOSTED;
 
-export const IS_EUROPE = dayjs.tz.guess()?.indexOf("Europe") !== -1;
-
 export const PUBLIC_QUERY_RESERVATION_INTERVAL_SECONDS =
   parseInt(process.env.NEXT_PUBLIC_QUERY_RESERVATION_INTERVAL_SECONDS ?? "", 10) || 30;
 
@@ -80,8 +76,6 @@ export const PUBLIC_INVALIDATE_AVAILABLE_SLOTS_ON_BOOKING_FORM =
 export const PUBLIC_QUICK_AVAILABILITY_ROLLOUT =
   parseInt(process.env.NEXT_PUBLIC_QUICK_AVAILABILITY_ROLLOUT ?? "", 10) || 0;
 
-export const CURRENT_TIMEZONE = dayjs.tz.guess() !== "Etc/Unknown" ? dayjs.tz.guess() : "Europe/London";
-
 /** @deprecated use `WEBAPP_URL` */
 export const NEXT_PUBLIC_BASE_URL = process.env.NEXT_PUBLIC_WEBAPP_URL || `https://${process.env.VERCEL_URL}`;
 export const LOGO = "/calcom-logo-white-word.svg";

packages/lib/timezoneConstants.ts

@@ -0,0 +1,4 @@
+import dayjs from "@calcom/dayjs";
+
+export const IS_EUROPE = dayjs.tz.guess()?.indexOf("Europe") !== -1;
+export const CURRENT_TIMEZONE = dayjs.tz.guess() !== "Etc/Unknown" ? dayjs.tz.guess() : "Europe/London";

packages/platform/atoms/event-types/payments/PaymentForm.tsx

@@ -5,10 +5,11 @@ import dayjs from "@calcom/dayjs";
 import { PayIcon } from "@calcom/features/bookings/components/event-meta/PayIcon";
 import { Price } from "@calcom/features/bookings/components/event-meta/Price";
 import type { PaymentPageProps } from "@calcom/features/ee/payments/pages/payment";
-import { APP_NAME, WEBSITE_URL, CURRENT_TIMEZONE } from "@calcom/lib/constants";
+import { APP_NAME, WEBSITE_URL } from "@calcom/lib/constants";
 import { getPaymentAppData } from "@calcom/lib/getPaymentAppData";
 import { useLocale } from "@calcom/lib/hooks/useLocale";
 import { isBrowserLocale24h } from "@calcom/lib/timeFormat";
+import { CURRENT_TIMEZONE } from "@calcom/lib/timezoneConstants";
 import { localStorage } from "@calcom/lib/webstorage";
 
 import { AtomsWrapper } from "../../src/components/atoms-wrapper";