const A = z.string();
type A = z.infer<typeof A>; // string

const u: A = 12; // TypeError
const u: A = "asdf"; // compiles

Troubleshooting

• Cannot read properties of undefined (reading '_parse') · Issue #1193 · colinhacks/zod]
  • This is because of a circular dependeny

Lookup

• TypeScript-first schema validation with static type inference