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x/zod/__tests__/pickomit.test.ts

TypeScript-first schema validation with static type inference
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// @ts-ignore TS6133import { expect } from "https://deno.land/x/expect@v0.2.6/mod.ts";const test = Deno.test;
import { util } from "../helpers/util.ts";import * as z from "../index.ts";
const fish = z.object({ name: z.string(), age: z.number(), nested: z.object({}),});
test("pick type inference", () => { const nameonlyFish = fish.pick({ name: true }); type nameonlyFish = z.infer<typeof nameonlyFish>; const f1: util.AssertEqual<nameonlyFish, { name: string }> = true; f1;});
test("pick parse - success", () => { const nameonlyFish = fish.pick({ name: true }); nameonlyFish.parse({ name: "bob" });});
test("pick parse - fail", () => { fish.pick({ name: true }).parse({ name: "12" } as any); fish.pick({ name: true }).parse({ name: "bob", age: 12 } as any); fish.pick({ age: true }).parse({ age: 12 } as any);
const nameonlyFish = fish.pick({ name: true }).strict(); const bad1 = () => nameonlyFish.parse({ name: 12 } as any); const bad2 = () => nameonlyFish.parse({ name: "bob", age: 12 } as any); const bad3 = () => nameonlyFish.parse({ age: 12 } as any);
expect(bad1).toThrow(); expect(bad2).toThrow(); expect(bad3).toThrow();});
test("omit type inference", () => { const nonameFish = fish.omit({ name: true }); type nonameFish = z.infer<typeof nonameFish>; const f1: util.AssertEqual<nonameFish, { age: number; nested: {} }> = true; f1;});
test("omit parse - success", () => { const nonameFish = fish.omit({ name: true }); nonameFish.parse({ age: 12, nested: {} });});
test("omit parse - fail", () => { const nonameFish = fish.omit({ name: true }); const bad1 = () => nonameFish.parse({ name: 12 } as any); const bad2 = () => nonameFish.parse({ age: 12 } as any); const bad3 = () => nonameFish.parse({} as any);
expect(bad1).toThrow(); expect(bad2).toThrow(); expect(bad3).toThrow();});
test("nonstrict inference", () => { const laxfish = fish.nonstrict().pick({ name: true }); type laxfish = z.infer<typeof laxfish>; const f1: util.AssertEqual<laxfish, { [k: string]: any; name: string }> = true; f1;});
test("nonstrict parsing - pass", () => { const laxfish = fish.nonstrict().pick({ name: true }); laxfish.parse({ name: "asdf", whatever: "asdf" }); laxfish.parse({ name: "asdf", age: 12, nested: {} });});
test("nonstrict parsing - fail", () => { const laxfish = fish.nonstrict().pick({ name: true }); const bad = () => laxfish.parse({ whatever: "asdf" } as any); expect(bad).toThrow();});