fix: resetForm should cast typed schema values closes #4347

Author: logaretm

.changeset/old-peaches-boil.md

@@ -0,0 +1,5 @@
+---
+'vee-validate': patch
+---
+
+fix: resetForm should cast typed schema values closes #4347

packages/vee-validate/src/useForm.ts

@@ -660,7 +660,8 @@ export function useForm<
    * Resets all fields
    */
   function resetForm(resetState?: Partial<FormState<TValues>>) {
-    const newValues = resetState?.values ? resetState.values : originalInitialValues.value;
+    let newValues = resetState?.values ? resetState.values : originalInitialValues.value;
+    newValues = isTypedSchema(schema) && isCallable(schema.cast) ? schema.cast(newValues) : newValues;
     setInitialValues(newValues);
     mutateAllPathState(state => {
       state.validated = false;

packages/zod/tests/zod.spec.ts

@@ -353,6 +353,40 @@ test('uses zod default values for initial values', async () => {
   );
 });
 
+test('reset form should cast the values', async () => {
+  const valueSpy = vi.fn();
+  mountWithHoc({
+    setup() {
+      const schema = toTypedSchema(
+        z.object({
+          age: z.preprocess(arg => Number(arg), z.number()),
+        })
+      );
+
+      const { values, resetForm } = useForm({
+        validationSchema: schema,
+      });
+
+      resetForm({ values: { age: '12' } });
+      // submit now
+      valueSpy(values);
+
+      return {
+        schema,
+      };
+    },
+    template: `<div></div>`,
+  });
+
+  await flushPromises();
+  await expect(valueSpy).toHaveBeenCalledTimes(1);
+  await expect(valueSpy).toHaveBeenLastCalledWith(
+    expect.objectContaining({
+      age: 12,
+    })
+  );
+});
+
 // #4186
 test('default values should not be undefined', async () => {
   const initialSpy = vi.fn();