cal.pub0.org/lib/validations/shared/jsonSchema.ts

import { z } from "zod";

// Helper schema for JSON fields
type Literal = boolean | number | string;
type Json = Literal | { [key: string]: Json } | Json[];
const literalSchema = z.union([z.string(), z.number(), z.boolean()]);
export const jsonSchema: z.ZodSchema<Json> = z.lazy(() =>
  z.union([literalSchema, z.array(jsonSchema), z.record(jsonSchema)]).or(z.null())
);