/**
* Discriminator transform utilities for O(1) schema lookup
*/
export type DiscriminatedInput = Record<string, unknown> & {
action: string;
subaction: string;
action_subaction?: string;
};
/**
* Add composite discriminator key to input object
* Converts { action: "container", subaction: "list" }
* to { action_subaction: "container:list", action: "container", subaction: "list" }
*/
export function addDiscriminator(input: DiscriminatedInput): DiscriminatedInput {
return {
action_subaction: `${input.action}:${input.subaction}`,
...input
};
}
/**
* Preprocess Zod schema to automatically add discriminator
* Use with z.preprocess() to transparently transform inputs
*/
export function preprocessWithDiscriminator(input: unknown): unknown {
if (typeof input === "object" && input !== null && "action" in input && "subaction" in input) {
return addDiscriminator(input as DiscriminatedInput);
}
return input;
}
