Wrap enableSemanticNonNull option with a config object

core/src/main/scala-2/caliban/schema/SchemaDerivation.scala

@@ -11,13 +11,20 @@ import scala.language.experimental.macros
 
 trait CommonSchemaDerivation[R] {
 
+  case class DerivationConfig(
+    /**
+     * Whether to enable the `SemanticNonNull` feature on derivation.
+     * It is currently disabled by default since it is not yet stable.
+     */
+    enableSemanticNonNull: Boolean = false
+  )
+
   /**
-   * Enables the `SemanticNonNull` feature on derivation.
-   * It is currently disabled by default since it is not yet stable.
+   * Returns a configuration object that can be used to customize the derivation behavior.
    *
-   * Override this method and return `true` to enable the feature.
+   * Override this method to customize the configuration.
    */
-  def enableSemanticNonNull: Boolean = false
+  def config: DerivationConfig = DerivationConfig()
 
   /**
    * Default naming logic for input types.
@@ -105,7 +112,7 @@ trait CommonSchemaDerivation[R] {
                 p.annotations.collectFirst { case GQLDeprecated(reason) => reason },
                 Option(
                   p.annotations.collect { case GQLDirective(dir) => dir }.toList ++ {
-                    if (enableSemanticNonNull && !isNullable && p.typeclass.canFail)
+                    if (config.enableSemanticNonNull && !isNullable && p.typeclass.canFail)
                       Some(SchemaUtils.SemanticNonNull)
                     else None
                   }

core/src/main/scala-3/caliban/schema/SchemaDerivation.scala

@@ -23,13 +23,20 @@ object PrintDerived {
 trait CommonSchemaDerivation {
   export DerivationUtils.customizeInputTypeName
 
+  case class DerivationConfig(
+    /**
+     * Whether to enable the `SemanticNonNull` feature on derivation.
+     * It is currently disabled by default since it is not yet stable.
+     */
+    enableSemanticNonNull: Boolean = false
+  )
+
   /**
-   * Enables the `SemanticNonNull` feature on derivation.
-   * It is currently disabled by default since it is not yet stable.
+   * Returns a configuration object that can be used to customize the derivation behavior.
    *
-   * Override this method and return `true` to enable the feature.
+   * Override this method to customize the configuration.
    */
-  def enableSemanticNonNull: Boolean = false
+  def config: DerivationConfig = DerivationConfig()
 
   inline def recurseSum[R, P, Label, A <: Tuple](
     inline types: List[(String, __Type, List[Any])] = Nil,
@@ -104,7 +111,7 @@ trait CommonSchemaDerivation {
               MagnoliaMacro.typeInfo[A],
               // Workaround until we figure out why the macro uses the parent's annotations when the leaf is a Scala 3 enum
               inline if (!MagnoliaMacro.isEnum[A]) MagnoliaMacro.anns[A] else Nil,
-              enableSemanticNonNull
+              config.enableSemanticNonNull
             )
           case _ if Macros.hasAnnotation[A, GQLValueType] =>
             new ValueTypeSchema[R, A](
@@ -119,7 +126,7 @@ trait CommonSchemaDerivation {
               MagnoliaMacro.typeInfo[A],
               MagnoliaMacro.anns[A],
               MagnoliaMacro.paramAnns[A].toMap,
-              enableSemanticNonNull
+              config.enableSemanticNonNull
             )(using summonInline[ClassTag[A]])
         }
 

core/src/test/scala/caliban/schema/SemanticNonNullSchemaSpec.scala

@@ -9,7 +9,7 @@ import zio.test.Assertion._
 import zio.test._
 
 object SemanticNonNullSchema extends SchemaDerivation[Any] {
-  override def enableSemanticNonNull: Boolean = true
+  override def config = DerivationConfig(enableSemanticNonNull = true)
 }
 
 object SemanticNonNullSchemaSpec extends ZIOSpecDefault {