intl done without libraries

src/middleware.ts

@@ -0,0 +1,32 @@
+import { NextRequest, NextResponse } from "next/server";
+
+export const locales = ["es", "en", "fr"];
+
+// Get the preferred locale, similar to the above or using a library
+function getLocale() {
+  return locales[0];
+}
+
+export function middleware(request: NextRequest) {
+  // Check if there is any supported locale in the pathname
+  const { pathname } = request.nextUrl;
+  const pathnameHasLocale = locales.some(
+    (locale) => pathname.startsWith(`/${locale}/`) || pathname === `/${locale}`,
+  );
+
+  console.log(pathname);
+  if (pathname === "/") return;
+  if (pathnameHasLocale) return;
+
+  // Redirect if there is no locale
+  const locale = getLocale();
+  request.nextUrl.pathname = `/${locale}${pathname}`;
+  return NextResponse.redirect(request.nextUrl);
+}
+
+export const config = {
+  matcher: [
+    // Skip all internal paths (_next)
+    "/((?!_next).*)",
+  ],
+};