since3-portal/lib/supabase/proxy.ts

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

export function createClient(request: NextRequest) {
  let response = NextResponse.next({
    request: {
      headers: request.headers,
    },
  })

  const supabase = createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY!,
    {
      cookies: {
        getAll() {
          return request.cookies.getAll()
        },
        setAll(cookiesToSet) {
          cookiesToSet.forEach(({ name, value }) =>
            request.cookies.set(name, value)
          )
          response = NextResponse.next({
            request: {
              headers: request.headers,
            },
          })
          cookiesToSet.forEach(({ name, value, options }) =>
            response.cookies.set(name, value, options)
          )
        },
      },
    }
  )

  return { supabase, response }
}