Adding directives to schema without being directly consumed by a type

[Barry-Zou]

Hi I saw in the documentation here that we are able to add additional custom types to the schema without being directly consumed by any existing types.

My question is there a way to do the same for directives? E.g. I have some directives that are currently not being referenced by any types in the schema but I would like to include them in the outputted GraphQLSchema. (Apologies if this seems something obvious that I missed in the docs)

Thanks!

[dariuszkuc]

Hello 👋
It is doable but will require some manual code.

You could either

• extend SchemaGenerator/FederatedSchemaGenerator and transform your schema in generateSchema, i.e.

fun generateSchema(...) {
  val originalSchema = super.generateSchema(...)
  val updatedSchema = originalSchema.transform { builder ->
     // your logic goes here
  }
}

• provide custom SchemaGeneratorHooks (or FederatedSchemaGeneratorHooks) and add your directives in the willBuildSchema(builder: builder: GraphQLSchema.Builder) hook

In either case you would need to manually create your directive definitions and them to the builder.

builder.additionalDirective(<your directive definition goes here>)