GraphQL directives you should know about

What are GraphQL directives? From the specification, “Directives provide a way to describe alternate runtime execution and type validation behavior in a GraphQL document.” Essentially, directives in the GraphQL specification are annotations that can be used to alter the behavior of a query or mutation. They’re easy to recognize because they are always prefixed with the “@” character. The GraphQL…

This is an excerpt. The full article continues at Hasura.