import type { Field, Schema } from "../schema.ts";

// A field's schema with its optional and nullable wrappers peeled off.
export function unwrap(field: Field): { schema: Schema; optional: boolean; nullable: boolean } {
  const optional = field.type === "optional";
  const inner = field.type === "optional" ? field.inner : field;
  const nullable = inner.type === "nullable";
  return { schema: inner.type === "nullable" ? inner.inner : inner, optional, nullable };
}