Build failing

[yeahIamblonde]

Trying to build to see if I can use this in my project. Not very familar with typescript. Gettiing:
yarn run v1.22.19
$ next build
info - Loaded env from /home/git/siwe-next-auth-example/.env.local
Failed to compile.

./pages/api/auth/[...nextauth].ts:8:36
Type error: Parameter 'req' implicitly has an 'any' type.

6 | // For more information on each option (and a full list of options) go to
7 | // https://next-auth.js.org/configuration/options

8 | export default async function auth(req, res) {
| ^
9 | const providers = [
10 | CredentialsProvider({
11 | name: "Ethereum",
error Command failed with exit code 1.

[based64-eth]

You need to declare the types for the parameters of the auth function, as described in the Next.js docs here: https://nextjs.org/docs/basic-features/typescript#api-routes