zod_string_object_schema_validation_with_type_inference.ts

1import { z } from "zod";
2
3// creating a schema for strings
4const mySchema = z.string();
5
6// parsing
7mySchema.parse("tuna"); // => "tuna"
8mySchema.parse(12); // throws ZodError
9
10// "safe" parsing (doesn't throw error if validation fails)
11mySchema.safeParse("tuna"); // => { success: true; data: "tuna" }
12mySchema.safeParse(12); // => { success: false; error: ZodError }
13
14// creating an object schema
15const User = z.object({
16  username: z.string(),
17});
18
19User.parse({ username: "Ludwig" });
20
21// extract the inferred type
22type User = z.infer<typeof User>;
23// { username: string }