Sep 18, 2024 · A common mistake is to attempt to use the GraphQL schema directly for type generation, but this is not type-safe since GraphQL only returns the fields that you ask for, and …

As we saw with the Object type example above, GraphQL supports two type modifiers—the List and Non-Null types—and they can be used individually or in combination with each other.

To provide options for GraphQL clients to elegantly handle caching and data refetching, GraphQL servers need to expose object identifiers in a standardized way.

This is essential to GraphQL, because you always get back what you expect, and the server knows exactly what fields the client is asking for. In the previous example, we just asked for …

This key is reserved for GraphQL implementations to provide additional information about the response and though it must be an object if present, there are no other restrictions on what it …

When designing a GraphQL schema, it’s important to keep in mind all the problems that could go wrong and if “null” is an appropriate value for a failed field.

Apr 18, 2016 · With GraphQL, there is no excuse to not mock your backend for development or testing. Here’s how easy it is to create a mocked backend that will accept any valid GraphQL …

Thus, for any spec-compliant GraphQL schemas, only the top-level fields in mutation operations are allowed to cause side effects. On this page, you’ll learn how to use mutation operations to …

This guide outlines common HTTP and GraphQL errors, what they mean, and how to debug them effectively. It follows the recommendations of the GraphQL over HTTP spec (draft), which …

Though not yet finalized, this draft specification acts as a single source of truth for GraphQL client and library maintainers, detailing how to expose and consume a GraphQL API using an HTTP …