auth.ts

import NextAuth from "next-auth";
import Google from "next-auth/providers/google";

function safeStringify(value: unknown) {
  const seen = new WeakSet<object>();
  return JSON.stringify(
    value,
    (_k, v) => {
      if (v instanceof Error) {
        const anyErr = v as any;
        return {
          name: v.name,
          message: v.message,
          stack: v.stack,
          cause: anyErr?.cause,
          ...anyErr,
        };
      }
      if (typeof v === "object" && v !== null) {
        if (seen.has(v as object)) return "[Circular]";
        seen.add(v as object);
      }
      return v;
    },
    2,
  );
}

export const { handlers, signIn, signOut, auth } = NextAuth({
  providers: [Google],
  pages: {
    signIn: "/login",
  },
  trustHost: true,
  debug: true,
});