base.test.ts•782 B
// @ts-ignore TS6133
import { expect, test } from "vitest";
import * as z from "zod/v3";
import { util } from "../helpers/util.js";
test("type guard", () => {
const stringToNumber = z.string().transform((arg) => arg.length);
const s1 = z.object({
stringToNumber,
});
type t1 = z.input<typeof s1>;
const data = { stringToNumber: "asdf" };
const parsed = s1.safeParse(data);
if (parsed.success) {
util.assertEqual<typeof data, t1>(true);
}
});
test("test this binding", () => {
const callback = (predicate: (val: string) => boolean) => {
return predicate("hello");
};
expect(callback((value) => z.string().safeParse(value).success)).toBe(true); // true
expect(callback((value) => z.string().safeParse(value).success)).toBe(true); // true
});