* 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]/webview/[contentType]/[uid]/page.tsx

@@ -6,7 +6,6 @@ import { getProfile } from "@/lib/trpc/memoizedRequests"
 import AccountPage from "@/components/Webviews/AccountPage"
 import LoyaltyPage from "@/components/Webviews/LoyaltyPage"
 import { getIntl } from "@/i18n"
-import { setLang } from "@/i18n/serverContext"
 
 import type {
   ContentTypeWebviewParams,
@@ -18,7 +17,6 @@ import type {
 export default async function ContentTypePage({
   params,
 }: PageArgs<LangParams & ContentTypeWebviewParams & UIDParams, {}>) {
-  setLang(params.lang)
   const intl = await getIntl()
   const user = await getProfile()
 

app/[lang]/webview/layout.tsx

@@ -10,7 +10,6 @@ import GTMScript from "@/components/TrackingSDK/GTMScript"
 import RouterTracking from "@/components/TrackingSDK/RouterTracking"
 import { getIntl } from "@/i18n"
 import ServerIntlProvider from "@/i18n/Provider"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./layout.module.css"
 
@@ -26,7 +25,6 @@ export default async function RootLayout({
   children,
   params,
 }: React.PropsWithChildren<LayoutArgs<LangParams>>) {
-  setLang(params.lang)
   const { defaultLocale, locale, messages } = await getIntl()
 
   return (

app/[lang]/webview/refresh/page.tsx

@@ -1,13 +1,10 @@
 import LoadingSpinner from "@/components/LoadingSpinner"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default function Refresh({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default function Refresh({}: PageArgs<LangParams>) {
   return (
     <div className={styles.container}>
       <LoadingSpinner />