Trying to write next-auth adapter

const cuid2 = customType<{ data: string; notNull: true }>({
  dataType() {
    return "text";
  },
  toDriver(value): string {
    return value ? value : createId();
  },
});

const User = sqliteTable(
  "User",
  { id: cuid2("id").primaryKey() }
);

// adapter
async createUser(user) {
  return db
    .insert(User)
    .values({ ...user, id: "" })
    .returning()
    .get();
},

// notNull in customType will be left false, because we always are
// generating it in toDriver
const cuid2 = customType<{ data: string; notNull: false }>({
  dataType() {
    return "text";
  },
  toDriver(value): string {
    return typeof value === 'undefined' ? createId() : value;
  },
});

const User = sqliteTable("User", {
  id: cuid2("id"),
  name: text("name").notNull(),
}, (t) => ({
  // need to define primary key here, so migration will create PK constraint
  // but type will be left nullable
  f: primaryKey(t.id)
}));

async createUser(user) {
  // id will be optional
  return db.insert(User).values(...user).returning().get();
};

const cuid2 = customType<{ data: string; notNull: true, default: true }>({

const User = sqliteTable("User", {
  id: cuid2("id").primaryKey(),
  name: text("name").notNull(),
});