Simplify imports

Author: lowmelvin

README.md

@@ -27,7 +27,6 @@ Encode a product:
 ```scala
 import com.melvinlow.json.schema.*
 import com.melvinlow.json.schema.generic.auto.given
-import com.melvinlow.json.schema.instances.given
 
 case class Foo(x: Int, y: String)
 

docs/README.md

@@ -27,7 +27,6 @@ Encode a product:
 ```scala mdoc
 import com.melvinlow.json.schema.*
 import com.melvinlow.json.schema.generic.auto.given
-import com.melvinlow.json.schema.instances.given
 
 case class Foo(x: Int, y: String)
 

src/main/scala/com/melvinlow/json/schema/generic/auto.scala

@@ -6,10 +6,10 @@ import scala.deriving.Mirror
 
 import io.circe.Json
 
-import com.melvinlow.json.schema.JsonSchemaEncoder
 import com.melvinlow.json.schema.annotation.JsonSchemaField
+import com.melvinlow.json.schema.{JsonSchemaEncoder, instances}
 
-object auto {
+trait auto {
   inline private def summonLabels[Elems <: Tuple]: List[String] =
     inline erasedValue[Elems] match {
       case _: (elem *: elems) =>
@@ -38,7 +38,7 @@ object auto {
       case _: Elem =>
         error("infinite recursive derivation")
       case _ =>
-        auto.derived[Elem](using summonInline[Mirror.Of[Elem]])
+        derived[Elem](using summonInline[Mirror.Of[Elem]])
     }
 
   private def sumEncoder[T: Mirror.SumOf](
@@ -110,3 +110,5 @@ object auto {
   inline given derivedSum[T: Mirror.SumOf]: JsonSchemaEncoder[T] =
     derived[T]
 }
+
+object auto extends auto with semiauto with instances

src/main/scala/com/melvinlow/json/schema/generic/semiauto.scala

@@ -0,0 +1,7 @@
+package com.melvinlow.json.schema.generic
+
+import com.melvinlow.json.schema.instances
+
+trait semiauto
+
+object semiauto extends semiauto with instances

src/main/scala/com/melvinlow/json/schema/instances.scala

@@ -0,0 +1,58 @@
+package com.melvinlow.json.schema
+
+import io.circe.Json
+
+trait instances_low_priority {
+  given intJsonSchemaInstance[T <: Int]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("integer"))
+  }
+
+  given stringJsonSchemaInstance[T <: String]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("string"))
+  }
+
+  given longJsonSchemaInstance[T <: Long]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("integer"))
+  }
+
+  given doubleJsonSchemaInstance[T <: Double]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("number"))
+  }
+
+  given floatJsonSchemaEncoder[T <: Float]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("number"))
+  }
+
+  given booleanJsonSchemaEncoder[T <: Boolean]: JsonSchemaEncoder[T] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("boolean"))
+  }
+
+  given listJsonSchemaEncoder[T: JsonSchemaEncoder]: JsonSchemaEncoder[List[T]]
+  with {
+    def schema: Json =
+      Json
+        .obj(
+          "type"  -> Json.fromString("array"),
+          "items" -> JsonSchemaEncoder[T].schema
+        )
+  }
+
+  given arrayJsonSchemaEncoder[T: JsonSchemaEncoder]
+    : JsonSchemaEncoder[Array[T]]
+  with {
+    def schema: Json =
+      Json
+        .obj(
+          "type"  -> Json.fromString("array"),
+          "items" -> JsonSchemaEncoder[T].schema
+        )
+  }
+}
+
+trait instances extends instances_low_priority {
+  given nullJsonSchemaEncoder: JsonSchemaEncoder[Null] with {
+    def schema: Json = Json.obj("type" -> Json.fromString("null"))
+  }
+}
+
+object instances extends instances

src/main/scala/com/melvinlow/json/schema/instances/pkg.scala

@@ -0,0 +1,9 @@
+package com.melvinlow.json.schema
+
+import io.circe.Json
+
+object syntax {
+  extension [T: JsonSchemaEncoder](inline dummy: T) {
+    inline def jsonSchema: Json = JsonSchemaEncoder[T].schema
+  }
+}

src/main/scala/com/melvinlow/json/schema/syntax.scala

@@ -5,7 +5,6 @@ import io.circe.Json
 import com.melvinlow.json.schema.Resources.*
 import com.melvinlow.json.schema.annotation.JsonSchemaField
 import com.melvinlow.json.schema.generic.auto.given
-import com.melvinlow.json.schema.instances.given
 import com.melvinlow.json.schema.syntax.*
 
 class JsonSchemaEncoderSuite extends munit.FunSuite {