neroshitron/utils/supabase/middleware.ts

import { createServerClient, type CookieOptions } from "@supabase/ssr";
import { type NextRequest, NextResponse } from "next/server";

export const updateSession = async (request: NextRequest) => {
  // This `try/catch` block is only here for the interactive tutorial.
  // Feel free to remove once you have Supabase connected.
  try {
    // Create an unmodified response
    let response = NextResponse.next({
      request: {
        headers: request.headers,
      },
    });

    const supabase = createServerClient(
      process.env.NEXT_PUBLIC_SUPABASE_URL!,
      process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
      {
        cookies: {
          get(name: string) {
            return request.cookies.get(name)?.value;
          },
          set(name: string, value: string, options: CookieOptions) {
            // If the cookie is updated, update the cookies for the request and response
            request.cookies.set({
              name,
              value,
              ...options,
            });
            response = NextResponse.next({
              request: {
                headers: request.headers,
              },
            });
            response.cookies.set({
              name,
              value,
              ...options,
            });
          },
          remove(name: string, options: CookieOptions) {
            // If the cookie is removed, update the cookies for the request and response
            request.cookies.set({
              name,
              value: "",
              ...options,
            });
            response = NextResponse.next({
              request: {
                headers: request.headers,
              },
            });
            response.cookies.set({
              name,
              value: "",
              ...options,
            });
          },
        },
      },
    );

    // This will refresh session if expired - required for Server Components
    // https://supabase.com/docs/guides/auth/server-side/nextjs
    await supabase.auth.getUser();

    return response;
  } catch (e) {
    // If you are here, a Supabase client could not be created!
    // This is likely because you have not set up environment variables.
    // Check out http://localhost:3000 for Next Steps.
    return NextResponse.next({
      request: {
        headers: request.headers,
      },
    });
  }
};