feat(WEB-220): label translations

i18n/index.ts

@@ -0,0 +1,33 @@
+import "server-only"
+
+import { createIntl, createIntlCache } from "@formatjs/intl"
+import { headers } from "next/headers"
+
+import { Lang } from "@/constants/languages"
+
+const cache = createIntlCache()
+
+async function initIntl(lang: Lang) {
+  return createIntl(
+    {
+      defaultLocale: Lang.en,
+      locale: lang,
+      messages: (await import(`./dictionaries/${lang}.json`)).default,
+    },
+    cache
+  )
+}
+
+export async function getIntl(forceLang?: Lang) {
+  const h = headers()
+  let lang = h.get("x-lang") as Lang
+
+  if (!lang) {
+    lang = Lang.en
+  }
+
+  if (forceLang) {
+    return await initIntl(forceLang)
+  }
+  return await initIntl(lang)
+}