|
Server : Apache System : Linux cloud.heroica.com.br 4.18.0-553.36.1.el8_10.x86_64 #1 SMP Wed Jan 22 03:07:54 EST 2025 x86_64 User : farolpborg ( 1053) PHP Version : 7.4.33 Disable Function : exec,passthru,shell_exec,system Directory : /var/www/node_services/apimetaexamepopular/node_modules/zod/src/v3/tests/ |
Upload File : |
// @ts-ignore TS6133
import { test } from "vitest";
import * as z from "zod/v3";
import { util } from "../helpers/util.js";
test("branded types", () => {
const mySchema = z
.object({
name: z.string(),
})
.brand<"superschema">();
// simple branding
type MySchema = z.infer<typeof mySchema>;
util.assertEqual<MySchema, { name: string } & { [z.BRAND]: { superschema: true } }>(true);
const doStuff = (arg: MySchema) => arg;
doStuff(mySchema.parse({ name: "hello there" }));
// inheritance
const extendedSchema = mySchema.brand<"subschema">();
type ExtendedSchema = z.infer<typeof extendedSchema>;
util.assertEqual<ExtendedSchema, { name: string } & z.BRAND<"superschema"> & z.BRAND<"subschema">>(true);
doStuff(extendedSchema.parse({ name: "hello again" }));
// number branding
const numberSchema = z.number().brand<42>();
type NumberSchema = z.infer<typeof numberSchema>;
util.assertEqual<NumberSchema, number & { [z.BRAND]: { 42: true } }>(true);
// symbol branding
const MyBrand: unique symbol = Symbol("hello");
type MyBrand = typeof MyBrand;
const symbolBrand = z.number().brand<"sup">().brand<typeof MyBrand>();
type SymbolBrand = z.infer<typeof symbolBrand>;
// number & { [z.BRAND]: { sup: true, [MyBrand]: true } }
util.assertEqual<SymbolBrand, number & z.BRAND<"sup"> & z.BRAND<MyBrand>>(true);
// keeping brands out of input types
const age = z.number().brand<"age">();
type Age = z.infer<typeof age>;
type AgeInput = z.input<typeof age>;
util.assertEqual<AgeInput, Age>(false);
util.assertEqual<number, AgeInput>(true);
util.assertEqual<number & z.BRAND<"age">, Age>(true);
// @ts-expect-error
doStuff({ name: "hello there!" });
});