Question 1

How to use prisma-relay-cursor-connection with custom cursor fields?

Accepted Answer

You need to define getCursor, encodeCursor, and decodeCursor functions in the options. For instance, to use a base64-encoded JSON cursor, follow the custom cursors example in the README, which shows how to map records to cursor objects and handle encoding.

Question 2

prisma-relay-cursor-connection vs offset pagination in Prisma?

Accepted Answer

This library implements cursor-based pagination per the Relay spec, which is more efficient for large datasets and supports bidirectional navigation. Offset pagination in Prisma is simpler but can suffer from performance issues and inconsistencies in dynamic data.

Question 3

Does prisma-relay-cursor-connection work with Apollo Server?

Accepted Answer

Yes, it integrates seamlessly with Apollo Server or any GraphQL server using Prisma. You pass the connection arguments from your resolver to findManyCursorConnection, and it handles the data fetching with type safety.

Question 4

How to add extra fields to edges in prisma-relay-cursor-connection?

Accepted Answer

Use the recordToEdge option to extend edges or nodes with additional fields. The README provides an example where extraEdgeField and extraNodeField are added, and types are automatically inferred for safety.

Question 5

What happens if I don't pass resolveInfo to prisma-relay-cursor-connection?

Accepted Answer

Without resolveInfo, the library will always execute the count query and potentially fetch unnecessary data. Passing resolveInfo allows it to skip the count query if totalCount isn't requested, improving performance based on the GraphQL query shape.

Question 6

Can I use prisma-relay-cursor-connection for non-GraphQL APIs?

Accepted Answer

Technically possible but not ideal. It's designed for GraphQL with Relay spec, so using it elsewhere would mean handling cursor logic manually without GraphQL context, making simpler pagination libraries a better fit.

prisma-relay-cursor-connection

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