Fix(zodResolver): error paths in complex unions #787 (#819)

* fix: error paths in complex unions

* fixes zod fieldError type

* Fix FiledErrors type assertion

* Remove unnecessary type assertion

* Remove more unnecessary type assertions

Author: paradis-f

valibot/src/valibot.ts

@@ -129,9 +129,7 @@ export function valibotResolver<Input extends FieldValues, Context, Output>(
 
     // Otherwise, return resolver result with values
     return {
-      values: resolverOptions.raw
-        ? Object.assign({}, values)
-        : (result.output as FieldValues),
+      values: resolverOptions.raw ? Object.assign({}, values) : result.output,
       errors: {},
     };
   };

vine/src/vine.ts

@@ -6,7 +6,6 @@ import {
 } from '@vinejs/vine/build/src/types';
 import {
   FieldError,
-  FieldErrors,
   FieldValues,
   Resolver,
   appendErrors,
@@ -94,7 +93,7 @@ export function vineResolver<Input extends FieldValues, Context, Output>(
       options.shouldUseNativeValidation && validateFieldsNatively({}, options);
 
       return {
-        errors: {} as FieldErrors,
+        errors: {},
         values: resolverOptions.raw ? Object.assign({}, values) : data,
       };
     } catch (error: any) {

zod/src/zod.ts

@@ -1,7 +1,6 @@
 import { toNestErrors, validateFieldsNatively } from '@hookform/resolvers';
 import {
   FieldError,
-  FieldErrors,
   FieldValues,
   Resolver,
   ResolverError,
@@ -105,7 +104,9 @@ function parseZod4Issues(
 
     if (error.code === 'invalid_union') {
       error.errors.forEach((unionError) =>
-        unionError.forEach((e) => zodErrors.push(e)),
+        unionError.forEach((e) =>
+          zodErrors.push({ ...e, path: [...error.path, ...e.path] }),
+        ),
       );
     }
 
@@ -254,7 +255,7 @@ export function zodResolver<Input extends FieldValues, Context, Output>(
           validateFieldsNatively({}, options);
 
         return {
-          errors: {} as FieldErrors,
+          errors: {},
           values: resolverOptions.raw ? Object.assign({}, values) : data,
         } satisfies ResolverSuccess<Output | Input>;
       } catch (error) {
@@ -288,7 +289,7 @@ export function zodResolver<Input extends FieldValues, Context, Output>(
           validateFieldsNatively({}, options);
 
         return {
-          errors: {} as FieldErrors,
+          errors: {},
           values: resolverOptions.raw ? Object.assign({}, values) : data,
         } satisfies ResolverSuccess<Output | Input>;
       } catch (error) {