NestJS · Senior · Question 47 of 75

How can you share DTOs and validation between a Nest backend and a TypeScript front end?

✓Correct answer: Put schemas in a shared package (e.g. Zod schemas or contract libraries like ts-rest), or generate a client from the OpenAPI spec
2Copy files manually between repos
3Front ends can't use TypeScript types from the backend

Explanation

Generated or shared contracts catch breaking API changes at compile time.

Further reading

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