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GraphQL Foundation Monthly Newsletter February 2021

GraphQL Foundation Monthly Newsletter February 2021

by GraphQL Foundation

GraphQL has redefined how developers work with APIs and client-server interactions. And as the community works hard to foster the growth and adoption of GraphQL, we are excited to share the work of the community and discussions via the monthly GraphQL Foundation newsletter.

GraphQL reached new heights in 2020 and is only poised to continue its meteoric rise in 2021. Thank you again for your involvement in this project and your support of the GraphQL Foundation. We are excited for another productive year!

Working Group Updates

Advancing no introspection at root of Subscription operation

The group decided to disallow since it doesn’t work in the reference implementation. During the graphql-js implementation some issues were discovered around fragments that are being fixed. Read more here.

Default value coercion update

Currently this is a case where infinite loops can occur. The WG is working to figure out how to avoid this in the spec here.

Defer/stream updates

The official experimental branch of graphql-js/express-graphql. The WG is working to update the initialCount, validation rule in GraphQL.js, and the spec.

Schema Coordinates Spec

The RFC and spec edit have been out for a few months with credit due to everyone who has reviewed those. Last time the field arguments were the discussion there were two main contenders: Query.business(id:) versus Query.business.id. The WG is looking for consensus. The discussion summarized can be found here.

_Typename is not valid at subscription root

__typename does not return an async iterator and has been deemed not useful at the root of a subscription operation, yet it is allowed by GraphQL validation. This field has caused some confusion in the community, and the WG has proposed explicitly validating it to prevent the field to catch these issues earlier.

Default value coercion

There’s inconsistency in the handling of default values between user-supplied defaults (i.e. variables in operation documents) and schema-supplied defaults (for arguments or input object fields). The WG discussed ways in which a poorly constructed GraphQL schema can break the type safety guarantees of GraphQL and proposed addressing this by making schema defaults operate in a more expected manner. Next steps are to get an implementation finished so that we can advance the spec changes to stage 2.

In Other News…

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