How to override presets?

[mxkaske]

With the possibility to define your own Deployment Environments dropped last December, vercel will change the default VERCEL_ENV to whatever you named the environment - e.g. VERCEL_ENV="sandbox". This will invalidate the vercel() presets.

Is there a way to extend or override the presets?

export const env = createEnv({
  extends: [vercel()],
  server: {
    VERCEL_ENV: z.enum(["development", "preview", "production", "sandbox"]),
  },
  runtimeEnv: {
    VERCEL_ENV: process.env.VERCEL_ENV
  }
});

I can see it is due to the vercel = () => createEnv({...}) initialized before users definition. Maybe it is possible to only validate the entire object once.

Thanks anyways that nice package!