Supabase Auth, get a code instead of session

Hello everybody,

I'm using Supbase DB et Auth with Nextjs (front) and Nestjs (back)

My case is I symply log with google

      const { error } = await supabase.auth.signInWithOAuth({
        provider,
        options: {
          redirectTo: `${window.location.origin}/auth/callback`,
        },
      });

      const { error } = await supabase.auth.signInWithOAuth({
        provider,
        options: {
          redirectTo: `${window.location.origin}/auth/callback`,
        },
      });

And and get the response in a callback

export default function AuthCallback() {
  const router = useRouter();
  const cookies = useCookies();

  useEffect(() => {
    const handleAuthCallback = async () => {
      try {
        // Get the session from the URL hash
        const { data, error } = await supabase.auth.getSession();

export default function AuthCallback() {
  const router = useRouter();
  const cookies = useCookies();

  useEffect(() => {
    const handleAuthCallback = async () => {
      try {
        // Get the session from the URL hash
        const { data, error } = await supabase.auth.getSession();

It's working fine ... but I found this function

supabase.auth.exchangeCodeForSession(String(code))

supabase.auth.exchangeCodeForSession(String(code))

Which is better because I would like to get the code in the fronted and get the JWT in the backend, and share only few fields encrypted (more safe)

So the callback url contains the entire session
Is there a solution to change it to a code instead ?

Supabase Auth, get a code instead of session

Hello everybody,

I'm using Supbase DB et Auth with Nextjs (front) and Nestjs (back)

My case is I symply log with google

      const { error } = await supabase.auth.signInWithOAuth({
        provider,
        options: {
          redirectTo: `${window.location.origin}/auth/callback`,
        },
      });

      const { error } = await supabase.auth.signInWithOAuth({
        provider,
        options: {
          redirectTo: `${window.location.origin}/auth/callback`,
        },
      });

And and get the response in a callback

export default function AuthCallback() {
  const router = useRouter();
  const cookies = useCookies();

  useEffect(() => {
    const handleAuthCallback = async () => {
      try {
        // Get the session from the URL hash
        const { data, error } = await supabase.auth.getSession();

export default function AuthCallback() {
  const router = useRouter();
  const cookies = useCookies();

  useEffect(() => {
    const handleAuthCallback = async () => {
      try {
        // Get the session from the URL hash
        const { data, error } = await supabase.auth.getSession();

It's working fine ... but I found this function

supabase.auth.exchangeCodeForSession(String(code))

supabase.auth.exchangeCodeForSession(String(code))

Supabase Auth, get a code instead of session

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