Merged in feat/sw-2863-move-contentstack-router-to-trpc-package (pull request #2389)

feat(SW-2863): Move contentstack router to trpc package

* Add exports to packages and lint rule to prevent relative imports

* Add env to trpc package

* Add eslint to trpc package

* Apply lint rules

* Use direct imports from trpc package

* Add lint-staged config to trpc

* Move lang enum to common

* Restructure trpc package folder structure

* WIP first step

* update internal imports in trpc

* Fix most errors in scandic-web

Just 100 left...

* Move Props type out of trpc

* Fix CategorizedFilters types

* Move more schemas in hotel router

* Fix deps

* fix getNonContentstackUrls

* Fix import error

* Fix entry error handling

* Fix generateMetadata metrics

* Fix alertType enum

* Fix duplicated types

* lint:fix

* Merge branch 'master' into feat/sw-2863-move-contentstack-router-to-trpc-package

* Fix broken imports

* Merge branch 'master' into feat/sw-2863-move-contentstack-router-to-trpc-package


Approved-by: Linus Flood

packages/common/utils/languages.ts

@@ -0,0 +1,29 @@
+import { z } from "zod"
+
+import { Lang } from "../constants/language"
+
+export const languageSchema = z.preprocess(
+  (arg) => (typeof arg === "string" ? arg.toLowerCase() : arg),
+  z.nativeEnum(Lang)
+)
+
+export function isValidLang(lang?: string): lang is Lang {
+  const result = languageSchema.safeParse(lang)
+  return result.success
+}
+
+export function findLang(pathname: string): Lang | undefined {
+  const langFromPath = Object.values(Lang).find(
+    (l) => pathname.startsWith(`/${l}/`) || pathname === `/${l}`
+  )
+
+  return isValidLang(langFromPath) ? langFromPath : undefined
+}
+
+/**
+ * Helper function to convert lang string to Lang enum.
+ */
+export function toLang(lang: string): Lang | undefined {
+  const lowerCaseLang = lang.toLowerCase()
+  return Object.values(Lang).find((l) => l === lowerCaseLang)
+}