Question 1

How to integrate TypeGraphQL with TypeORM?

Accepted Answer

TypeGraphQL has examples in the repository showing how to use TypeORM entity classes as GraphQL types, with resolvers injecting repositories for database operations. Check the examples folder for step-by-step setups.

Question 2

TypeGraphQL vs Apollo Server with TypeScript?

Accepted Answer

TypeGraphQL reduces boilerplate by using decorators and classes for automatic schema generation, while Apollo Server offers more flexibility with manual SDL but requires extra work for type safety. Choose TypeGraphQL for sync between models and schema, Apollo for customization.

Question 3

Does TypeGraphQL support GraphQL subscriptions?

Accepted Answer

Yes, TypeGraphQL supports subscriptions through the @Subscription decorator, but implementation requires additional setup for WebSockets or other transports, as noted in the documentation.

Question 4

How to add input validation in TypeGraphQL?

Accepted Answer

Integrate libraries like class-validator by adding decorators to input classes; TypeGraphQL can automatically validate arguments based on these decorators, reducing manual validation code.

Question 5

Best practices for error handling in TypeGraphQL?

Accepted Answer

Use custom error classes and middleware; TypeGraphQL allows defining global error handlers or using resolver-level try-catch for consistent error responses, with examples in the tests folder.

Question 6

Can I use TypeGraphQL with Prisma?

Accepted Answer

Yes, you can define GraphQL types that map to Prisma models, and the project has plans for better Prisma integration in future releases, though current setups may require manual mapping.

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