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zod

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TypeScript-first schema declaration and validation library with static type inference

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import Benchmark from "benchmark"; import { z } from "zod/v3"; const shortSuite = new Benchmark.Suite("realworld"); const People = z.array( z.object({ type: z.literal("person"), hair: z.enum(["blue", "brown"]), active: z.boolean(), name: z.string(), age: z.number().int(), hobbies: z.array(z.string()), address: z.object({ street: z.string(), zip: z.string(), country: z.string(), }), }) ); let i = 0; function num() { return ++i; } function str() { return (++i % 100).toString(16); } function array<T>(fn: () => T): T[] { return Array.from({ length: ++i % 10 }, () => fn()); } const people = Array.from({ length: 100 }, () => { return { type: "person", hair: i % 2 ? "blue" : "brown", active: !!(i % 2), name: str(), age: num(), hobbies: array(str), address: { street: str(), zip: str(), country: str(), }, }; }); shortSuite .add("valid", () => { People.parse(people); }) .on("cycle", (e: Benchmark.Event) => { console.log(`${(shortSuite as any).name}: ${e.target}`); }); export default { suites: [shortSuite], };