import type { InterfaceRevision } from "../capability-model/types.js";

/** Public, checked type information for artifact consumers. It describes the
 * nominal role, without exposing implementations or synthesizing any storage. */
export function moduleTypeContext(iface: InterfaceRevision): {
  typeArguments?: readonly unknown[];
  requiredInterfaces?: readonly string[];
} {
  return {
    ...(iface.application?.arguments.length
      ? {
          typeArguments: structuredClone(iface.application.arguments),
        }
      : {}),
    ...(iface.requiredInterfaces?.length ? { requiredInterfaces: [...iface.requiredInterfaces].sort() } : {}),
  };
}