Finalize multilingual routing and translations

lib/locale.ts

@@ -0,0 +1,41 @@
+import { routing } from "@/i18n/routing";
+
+export type AppLocale = (typeof routing.locales)[number];
+
+export function resolveLocale(locale: string): AppLocale {
+  if (locale === "en" || locale === "ar") {
+    return locale;
+  }
+
+  return routing.defaultLocale;
+}
+
+export function getDirection(locale: string): "ltr" | "rtl" {
+  return resolveLocale(locale) === "ar" ? "rtl" : "ltr";
+}
+
+export function stripLocalePrefix(pathname: string): string {
+  for (const locale of routing.locales) {
+    if (pathname === `/${locale}`) {
+      return "/";
+    }
+
+    if (pathname.startsWith(`/${locale}/`)) {
+      return pathname.slice(locale.length + 1);
+    }
+  }
+
+  return pathname || "/";
+}
+
+export function getLocalizedPath(locale: string, pathname = "/"): string {
+  const localeKey = resolveLocale(locale);
+  const normalizedPath = pathname === "" ? "/" : pathname;
+  const strippedPath = stripLocalePrefix(normalizedPath);
+
+  if (localeKey === routing.defaultLocale) {
+    return strippedPath;
+  }
+
+  return strippedPath === "/" ? `/${localeKey}` : `/${localeKey}${strippedPath}`;
+}