Submatter/apps/web/middleware.ts

import { auth } from "@/lib/auth";
import { NextResponse } from "next/server";

export default auth((req) => {
  const { pathname } = req.nextUrl;

  const isPublic =
    pathname === "/" ||
    pathname.startsWith("/landing") ||
    pathname.startsWith("/sign-in") ||
    pathname.startsWith("/sign-up") ||
    pathname.startsWith("/api/auth");

  if (isPublic) {
    return NextResponse.next();
  }

  if (!req.auth) {
    const signInUrl = new URL("/sign-in", req.url);
    signInUrl.searchParams.set("callbackUrl", pathname);
    return NextResponse.redirect(signInUrl);
  }

  return NextResponse.next();
});

export const config = {
  matcher: [
    /*
     * Skip API (tRPC etc. handle their own auth), Next internals, and static files.
     * Page routes under the (app) group are protected; (auth) and "/" stay public via logic above.
     */
    "/((?!api|_next/static|_next/image|favicon.ico|.*\\.(?:svg|png|jpg|jpeg|gif|webp)$).*)",
  ],
};