Question 1

How does Swagger-to-GraphQL handle authentication with REST APIs?

Accepted Answer

Authentication is managed through the custom callBackend function, where you can proxy headers like authorization from the GraphQL context to REST calls. This allows integration with existing schemes like OAuth or API keys without backend changes.

Question 2

Swagger-to-GraphQL vs Apollo Server: which is better for migrating from REST?

Accepted Answer

Swagger-to-GraphQL is ideal for quick, zero-rewrite migrations over existing REST APIs, while Apollo Server offers more features like subscriptions and built-in optimizations but requires rewriting resolvers. Choose based on migration speed versus flexibility.

Question 3

Can I use Swagger-to-GraphQL with OpenAPI 3.1 specifications?

Accepted Answer

The README specifies support for OpenAPI 3, but for 3.1, check the project's compatibility as it may not be fully tested. It's best to verify with the library's documentation or test with your schema.

Question 4

How to add custom resolvers or override generated ones in Swagger-to-GraphQL?

Accepted Answer

Custom logic can be added by extending the callBackend function or modifying the generated schema manually, but this requires diving into the library's internals and isn't straightforward for complex overrides.

Question 5

Does Swagger-to-GraphQL support GraphQL subscriptions for real-time data?

Accepted Answer

No, it doesn't natively support subscriptions because it's based on REST calls. For real-time features, you'd need to integrate additional tools or consider a different approach.

Question 6

What are the performance best practices when using Swagger-to-GraphQL?

Accepted Answer

Implement HTTP client caching, batch requests where possible, and use a backend proxy to reduce latency. The library itself lacks built-in optimizations, so performance tuning is up to the developer.

swagger-to-graphql

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