آشنایی با Zod Schema

npm install zod

import { zodSchema } from 'ai';
import { z } from 'zod';

const baseCategorySchema = z.object({
  name: z.string(),
});

type Category = z.infer<typeof baseCategorySchema> & {
  subcategories: Category[];
};

const categorySchema: z.ZodType<Category> = baseCategorySchema.extend({
  subcategories: z.lazy(() => categorySchema.array()),
});

const mySchema = zodSchema(
  z.object({
    category: categorySchema,
  }),
  { useReferences: true },
);

import { zodSchema } from 'ai';
import { z } from 'zod';

// Define a base category schema
const baseCategorySchema = z.object({
  name: z.string(),
});

// Define the recursive Category type
type Category = z.infer<typeof baseCategorySchema> & {
  subcategories: Category[];
};

// Create the recursive schema using z.lazy
const categorySchema: z.ZodType<Category> = baseCategorySchema.extend({
  subcategories: z.lazy(() => categorySchema.array()),
});

// Create the final schema with useReferences enabled for recursive support
const mySchema = zodSchema(
  z.object({
    category: categorySchema,
  }),
  { useReferences: true },
);

console.log(JSON.stringify(mySchema, null, 2));

{
  "jsonSchema": {
    "type": "object",
    "properties": {
      "category": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "subcategories": {
            "type": "array",
            "items": {
              "$ref": "#/properties/category"
            }
          }
        },
        "required": [
          "name",
          "subcategories"
        ],
        "additionalProperties": false
      }
    },
    "required": [
      "category"
    ],
    "additionalProperties": false,
    "$schema": "http://json-schema.org/draft-07/schema#"
  }
}