src/tests.ts

@@ -16,7 +16,7 @@ const exp = zodSchemaClass
         }),
 
         schemaWithDefaultValues: s => s.extend({
-            id: s.shape.id.default(-1n)
+            id: s.shape.id.default(-1n),
         }),
     })
     .jsonifiable({

src/traits/InstantiableZodSchemaObject.ts

@@ -28,6 +28,36 @@ type NewZodSchemaInstanceArgs<Input extends object> = (
 
 export const InstantiableZodSchemaObject = trait
     .implement(Super => class InstantiableZodSchemaObject extends Super {
+        static instantiationSchema<
+            Instance          extends Values,
+
+            SchemaT           extends z.ZodRawShape,
+            SchemaUnknownKeys extends z.UnknownKeysParam,
+            SchemaCatchall    extends z.ZodTypeAny,
+
+            Values            extends object,
+        >(
+            this: ZodSchemaClass<Instance, SchemaT, SchemaUnknownKeys, SchemaCatchall, any, any, any, Values, any>,
+        ) {
+            return this.schema.transform(values => new this(values))
+        }
+
+        static instantiationSchemaWithDefaultValues<
+            Instance                           extends Values,
+
+            SchemaWithDefaultValuesT           extends z.ZodRawShape,
+            SchemaWithDefaultValuesUnknownKeys extends z.UnknownKeysParam,
+            SchemaWithDefaultValuesCatchall    extends z.ZodTypeAny,
+
+            Values                             extends object,
+            PartialValues                      extends Partial<Values>,
+        >(
+            this: ZodSchemaClass<Instance, any, any, any, SchemaWithDefaultValuesT, SchemaWithDefaultValuesUnknownKeys, SchemaWithDefaultValuesCatchall, Values, PartialValues>,
+        ) {
+            return this.schemaWithDefaultValues.transform(values => new this(values))
+        }
+
+
         static create<
             Instance                           extends Values,