* move setLang() to a root layout

* fix: findLang only returns acceptable languages
* fix: fallback to use header x-lang if we haven't setLang yet
* fix: languageSchema, allow uppercase

Approved-by: Linus Flood

app/[lang]/(live)/(public)/hotelreservation/(confirmation)/booking-confirmation/page.tsx

@@ -1,15 +1,12 @@
 import { getBookingConfirmation } from "@/lib/trpc/memoizedRequests"
 
 import BookingConfirmation from "@/components/HotelReservation/BookingConfirmation"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function BookingConfirmationPage({
-  params,
   searchParams,
 }: PageArgs<LangParams, { confirmationNumber: string }>) {
-  setLang(params.lang)
   void getBookingConfirmation(searchParams.confirmationNumber)
   return (
     <BookingConfirmation confirmationNumber={searchParams.confirmationNumber} />

app/[lang]/(live)/(public)/hotelreservation/(standard)/alternative-hotels/map/page.tsx

@@ -3,7 +3,6 @@ import { Suspense } from "react"
 import { SelectHotelMapContainer } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainer"
 import { SelectHotelMapContainerSkeleton } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainerSkeleton"
 import { MapContainer } from "@/components/MapContainer"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
@@ -11,11 +10,8 @@ import type { AlternativeHotelsSearchParams } from "@/types/components/hotelRese
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function SelectHotelMapPage({
-  params,
   searchParams,
 }: PageArgs<LangParams, AlternativeHotelsSearchParams>) {
-  setLang(params.lang)
-
   return (
     <div className={styles.main}>
       <MapContainer>

app/[lang]/(live)/(public)/hotelreservation/(standard)/alternative-hotels/page.tsx

@@ -2,7 +2,6 @@ import { Suspense } from "react"
 
 import SelectHotel from "@/components/HotelReservation/SelectHotel"
 import { SelectHotelSkeleton } from "@/components/HotelReservation/SelectHotel/SelectHotelSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { AlternativeHotelsSearchParams } from "@/types/components/hotelReservation/selectHotel/selectHotelSearchParams"
 import type { LangParams, PageArgs } from "@/types/params"
@@ -11,8 +10,6 @@ export default async function AlternativeHotelsPage({
   params,
   searchParams,
 }: PageArgs<LangParams, AlternativeHotelsSearchParams>) {
-  setLang(params.lang)
-
   const roomKey = Object.keys(searchParams)
     .filter((key) => key.startsWith("room["))
     .map((key) => searchParams[key])

app/[lang]/(live)/(public)/hotelreservation/(standard)/details/page.tsx

@@ -21,7 +21,6 @@ import MobileSummary from "@/components/HotelReservation/EnterDetails/Summary/Mo
 import { generateChildrenString } from "@/components/HotelReservation/utils"
 import Title from "@/components/TempDesignSystem/Text/Title"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 import EnterDetailsProvider from "@/providers/EnterDetailsProvider"
 import { convertSearchParamsToObj } from "@/utils/url"
 
@@ -49,8 +48,6 @@ export default async function DetailsPage({
   params: { lang },
   searchParams,
 }: PageArgs<LangParams, SelectRateSearchParams>) {
-  setLang(lang)
-
   const intl = await getIntl()
   const selectRoomParams = new URLSearchParams(searchParams)
   const booking = convertSearchParamsToObj<SelectRateSearchParams>(searchParams)

app/[lang]/(live)/(public)/hotelreservation/(standard)/page.tsx

@@ -3,7 +3,6 @@ import { Suspense } from "react"
 import { env } from "@/env/server"
 
 import TrackingSDK from "@/components/TrackingSDK"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
@@ -14,8 +13,6 @@ import {
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default function HotelReservationPage({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
-
   if (!env.ENABLE_BOOKING_WIDGET_HOTELRESERVATION_PATH) {
     return null
   }

app/[lang]/(live)/(public)/hotelreservation/(standard)/select-hotel/map/page.tsx

@@ -4,7 +4,6 @@ import { Suspense } from "react"
 import { SelectHotelMapContainer } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainer"
 import { SelectHotelMapContainerSkeleton } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainerSkeleton"
 import { MapContainer } from "@/components/MapContainer"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
@@ -12,11 +11,8 @@ import type { SelectHotelSearchParams } from "@/types/components/hotelReservatio
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function SelectHotelMapPage({
-  params,
   searchParams,
 }: PageArgs<LangParams, SelectHotelSearchParams>) {
-  setLang(params.lang)
-
   const suspenseKey = stringify(searchParams)
 
   return (

app/[lang]/(live)/(public)/hotelreservation/(standard)/select-hotel/page.tsx

@@ -3,7 +3,6 @@ import { Suspense } from "react"
 
 import SelectHotel from "@/components/HotelReservation/SelectHotel"
 import { SelectHotelSkeleton } from "@/components/HotelReservation/SelectHotel/SelectHotelSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { SelectHotelSearchParams } from "@/types/components/hotelReservation/selectHotel/selectHotelSearchParams"
 import type { LangParams, PageArgs } from "@/types/params"
@@ -12,8 +11,6 @@ export default async function SelectHotelPage({
   params,
   searchParams,
 }: PageArgs<LangParams, SelectHotelSearchParams>) {
-  setLang(params.lang)
-
   const suspenseKey = stringify(searchParams)
 
   return (

app/[lang]/(live)/(public)/hotelreservation/(standard)/select-rate/page.tsx

@@ -4,7 +4,6 @@ import { Suspense } from "react"
 import SelectRate from "@/components/HotelReservation/SelectRate"
 import { HotelInfoCardSkeleton } from "@/components/HotelReservation/SelectRate/HotelInfoCard"
 import { RoomsContainerSkeleton } from "@/components/HotelReservation/SelectRate/RoomsContainer/RoomsContainerSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { SelectRateSearchParams } from "@/types/components/hotelReservation/selectRate/selectRate"
 import type { LangParams, PageArgs } from "@/types/params"
@@ -13,8 +12,6 @@ export default async function SelectRatePage({
   params,
   searchParams,
 }: PageArgs<LangParams & { section: string }, SelectRateSearchParams>) {
-  setLang(params.lang)
-
   const suspenseKey = stringify(searchParams)
 
   return (

app/[lang]/(live)/(public)/hotelreservation/my-stay/[refId]/page.tsx

@@ -2,15 +2,12 @@ import { Suspense } from "react"
 
 import { MyStay } from "@/components/HotelReservation/MyStay"
 import { MyStaySkeleton } from "@/components/HotelReservation/MyStay/myStaySkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function MyStayPage({
   params,
 }: PageArgs<LangParams & { refId: string }>) {
-  setLang(params.lang)
-
   return (
     <Suspense fallback={<MyStaySkeleton />}>
       <MyStay reservationId={params.refId} />