Handling Facebook provider not returning email address error

[lunarW1TCH]

Hi,

I am implementing Facebook provider in AuthJS. I am using MongoDB and Prisma adapter. My user model and the app's functionality requires email address to be returned.

Facebook provider reference states that

Email address may not be returned for accounts created on mobile.

This will obviously cause an error to be thrown in createUser method in adapter:

  createUser: async ({ image, id, ...user }) => {
    return await prisma.user.create({
      data: user, //email field is required
    });
  },

AdapterError is thrown when any of the Adapter methods fail during execution.

How can I handle such an error to tell the user what is the cause? I am using custom error pages and no errors passed as query params indicate this kind of error. Is there something missing in the documentation or am I not seeing an obvious solution?

I do not want to simply show a Something went wrong error during sign up.

---

next: ^14.2.15
next-auth: ^5.0.0-beta.19
@auth/prisma-adapter: ^2.7.3