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feat: implement JsonCodecConfiguration for scala 3
feat: implement explicitEmptyCollections for JsonCodecConfiguration
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2 changes: 1 addition & 1 deletion
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zio-json/shared/src/main/scala-3/zio/json/JsonCodecVersionSpecific.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| package zio.json | ||
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| private[json] trait JsonCodecVersionSpecific { | ||
| inline def derived[A: deriving.Mirror.Of]: JsonCodec[A] = DeriveJsonCodec.gen[A] | ||
| inline def derived[A: deriving.Mirror.Of](using config: JsonCodecConfiguration): JsonCodec[A] = DeriveJsonCodec.gen[A] | ||
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| } |
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57 changes: 57 additions & 0 deletions
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zio-json/shared/src/main/scala/zio/json/JsonCodecConfiguration.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package zio.json | ||
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| import zio.json.JsonCodecConfiguration.SumTypeHandling | ||
| import zio.json.JsonCodecConfiguration.SumTypeHandling.WrapperWithClassNameField | ||
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| /** | ||
| * Implicit codec derivation configuration. | ||
| * | ||
| * @param sumTypeHandling see [[jsonDiscriminator]] | ||
| * @param fieldNameMapping see [[jsonMemberNames]] | ||
| * @param allowExtraFields see [[jsonNoExtraFields]] | ||
| * @param sumTypeMapping see [[jsonHintNames]] | ||
| */ | ||
| final case class JsonCodecConfiguration( | ||
| sumTypeHandling: SumTypeHandling = WrapperWithClassNameField, | ||
| fieldNameMapping: JsonMemberFormat = IdentityFormat, | ||
| allowExtraFields: Boolean = true, | ||
| sumTypeMapping: JsonMemberFormat = IdentityFormat, | ||
| explicitNulls: Boolean = false, | ||
| explicitEmptyCollections: Boolean = true | ||
| ) | ||
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| object JsonCodecConfiguration { | ||
| implicit val default: JsonCodecConfiguration = JsonCodecConfiguration() | ||
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| sealed trait SumTypeHandling { | ||
| def discriminatorField: Option[String] | ||
| } | ||
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| object SumTypeHandling { | ||
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| /** | ||
| * Use an object with a single key that is the class name. | ||
| */ | ||
| case object WrapperWithClassNameField extends SumTypeHandling { | ||
| override def discriminatorField: Option[String] = None | ||
| } | ||
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| /** | ||
| * For sealed classes, will determine the name of the field for | ||
| * disambiguating classes. | ||
| * | ||
| * The default is to not use a typehint field and instead | ||
| * have an object with a single key that is the class name. | ||
| * See [[WrapperWithClassNameField]]. | ||
| * | ||
| * Note that using a discriminator is less performant, uses more memory, and may | ||
| * be prone to DOS attacks that are impossible with the default encoding. In | ||
| * addition, there is slightly less type safety when using custom product | ||
| * encoders (which must write an unenforced object type). Only use this option | ||
| * if you must model an externally defined schema. | ||
| */ | ||
| final case class DiscriminatorField(name: String) extends SumTypeHandling { | ||
| override def discriminatorField: Option[String] = Some(name) | ||
| } | ||
| } | ||
| } |
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