|
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/v4/mini/tests/ |
Upload File : |
import { expectTypeOf, test } from "vitest";
import * as z from "../index.js";
test("branded types", () => {
const mySchema = z
.object({
name: z.string(),
})
.brand<"superschema">();
// simple branding
type MySchema = z.infer<typeof mySchema>;
// Using true for type equality assertion
expectTypeOf<MySchema>().toEqualTypeOf<{ name: string } & z.$brand<"superschema">>();
const doStuff = (arg: MySchema) => arg;
doStuff(z.parse(mySchema, { name: "hello there" }));
// inheritance
const extendedSchema = mySchema.brand<"subschema">();
type ExtendedSchema = z.infer<typeof extendedSchema>;
expectTypeOf<ExtendedSchema>().toEqualTypeOf<{ name: string } & z.$brand<"superschema"> & z.$brand<"subschema">>();
doStuff(z.parse(extendedSchema, { name: "hello again" }));
// number branding
const numberSchema = z.number().brand<42>();
type NumberSchema = z.infer<typeof numberSchema>;
expectTypeOf<NumberSchema>().toEqualTypeOf<number & { [z.$brand]: { 42: 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.$brand]: { sup: true, [MyBrand]: true } }
expectTypeOf<SymbolBrand>().toEqualTypeOf<number & z.$brand<"sup"> & z.$brand<MyBrand>>();
// keeping brands out of input types
const age = z.number().brand<"age">();
type Age1 = z.infer<typeof age>;
type AgeInput1 = z.input<typeof age>;
// Using not for type inequality assertion
expectTypeOf<AgeInput1>().not.toEqualTypeOf<Age1>();
expectTypeOf<number>().toEqualTypeOf<AgeInput1>();
expectTypeOf<number & z.$brand<"age">>().toEqualTypeOf<Age1>();
// @ts-expect-error
doStuff({ name: "hello there!" });
});