middleware.ts

import { createMiddlewareClient } from '@supabase/auth-helpers-nextjs'
import { NextResponse } from 'next/server'
import type { NextRequest } from 'next/server'

export async function middleware(req: NextRequest) {
  const res = NextResponse.next()
  const supabase = createMiddlewareClient({ req, res }, {
    supabaseUrl: process.env.NEXT_PUBLIC_SUPABASE_URL!,
    supabaseKey: process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
  })

  await supabase.auth.getSession()

  return res
}

export const config = {
  matcher: [
    /*
     * Match all request paths except for the ones starting with:
     * - api (API routes)
     * - _next/static (static files)
     * - _next/image (image optimization files)
     * - favicon.ico (favicon file)
     */
    '/app/:path*',
  ],
}