proxy.ts

import { NextResponse } from "next/server";
import type { NextRequest } from "next/server";
import { locales, defaultLocale } from "./app/lib/i18n";

export default function proxy(request: NextRequest) {
  const pathname = request.nextUrl.pathname;

  // Check if there is any supported locale in the pathname
  const pathnameIsMissingLocale = locales.every(
    (locale) => !pathname.startsWith(`/${locale}/`) && pathname !== `/${locale}`
  );

  // Redirect if there is no locale
  if (pathnameIsMissingLocale) {
    return NextResponse.redirect(
      new URL(`/${defaultLocale}${pathname}`, request.url)
    );
  }
}

export const config = {
  // Matcher ignoring `/_next/` and `/api/`
  matcher: ["/((?!api|_next/static|_next/image|favicon.ico).*)"],
};