Merge pull request #1193 from cruzdanilo/json-variant

fix(to-json-schema): fix variant schema conversion

Author: fabian-hiller

packages/to-json-schema/CHANGELOG.md

@@ -6,6 +6,7 @@ All notable changes to the library will be documented in this file.
 
 - Add support for `examples` action
 - Fix conversion of `exactOptional` object properties (pull request #1220)
+- Fix conversion of `variant` to use `oneOf` instead of `anyOf` (pull request #1193)
 
 ## v1.3.0 (June 01, 2025)
 

packages/to-json-schema/src/converters/convertSchema/convertSchema.test.ts

@@ -882,7 +882,7 @@ describe('convertSchema', () => {
           createContext()
         )
       ).toStrictEqual({
-        anyOf: [
+        oneOf: [
           {
             type: 'object',
             properties: {

packages/to-json-schema/src/converters/convertSchema/convertSchema.ts

@@ -451,14 +451,20 @@ export function convertSchema(
       break;
     }
 
-    case 'union':
-    case 'variant': {
+    case 'union': {
       jsonSchema.anyOf = valibotSchema.options.map((option) =>
         convertSchema({}, option as SchemaOrPipe, config, context)
       );
       break;
     }
 
+    case 'variant': {
+      jsonSchema.oneOf = valibotSchema.options.map((option) =>
+        convertSchema({}, option as SchemaOrPipe, config, context)
+      );
+      break;
+    }
+
     case 'intersect': {
       jsonSchema.allOf = valibotSchema.options.map((option) =>
         convertSchema({}, option as SchemaOrPipe, config, context)