fix(react-form): remap listener paths in withFieldGroup

Author: kusiewicz

packages/form-core/src/FieldGroupApi.ts

@@ -472,4 +472,43 @@ export class FieldGroupApi<
 
   validateAllFields = (cause: ValidationCause) =>
     this.form.validateAllFields(cause)
+
+  /**
+   * Remaps field validator listener paths to their full form paths.
+   */
+  remapFieldProps = <TProps extends { validators?: any }>(
+    props: TProps,
+  ): TProps => {
+    const newProps = { ...props }
+    const validators = newProps.validators
+
+    if (
+      validators &&
+      (validators.onChangeListenTo || validators.onBlurListenTo)
+    ) {
+      const newValidators = { ...validators }
+
+      const remapListenTo = (listenTo: DeepKeys<any>[] | undefined) => {
+        if (!listenTo) return undefined
+        return listenTo.map((localFieldName) =>
+          this.getFormFieldName(localFieldName),
+        )
+      }
+
+      if (newValidators.onChangeListenTo) {
+        newValidators.onChangeListenTo = remapListenTo(
+          newValidators.onChangeListenTo,
+        )
+      }
+      if (newValidators.onBlurListenTo) {
+        newValidators.onBlurListenTo = remapListenTo(
+          newValidators.onBlurListenTo,
+        )
+      }
+
+      newProps.validators = newValidators
+    }
+
+    return newProps
+  }
 }

packages/form-core/tests/FieldGroupApi.spec.ts

@@ -919,4 +919,57 @@ describe('field group api', () => {
       'complexValue.prop1',
     )
   })
+
+  it('should remap listener paths with its remapFieldProps method', () => {
+    const form = new FormApi({
+      defaultValues: {
+        account: {
+          password: '',
+          confirmPassword: '',
+        },
+        userPassword: '',
+        userConfirmPassword: '',
+      },
+    })
+    form.mount()
+
+    const fieldGroupString = new FieldGroupApi({
+      form,
+      fields: 'account',
+      defaultValues: { password: '', confirmPassword: '' },
+    })
+    fieldGroupString.mount()
+
+    const props1 = {
+      validators: {
+        onChangeListenTo: ['password'],
+        onBlurListenTo: ['confirmPassword'],
+      },
+    }
+    const remappedProps1 = fieldGroupString.remapFieldProps(props1)
+    expect(remappedProps1.validators.onChangeListenTo).toEqual([
+      'account.password',
+    ])
+    expect(remappedProps1.validators.onBlurListenTo).toEqual([
+      'account.confirmPassword',
+    ])
+
+    const fieldGroupObject = new FieldGroupApi({
+      form,
+      fields: {
+        password: 'userPassword',
+        confirmPassword: 'userConfirmPassword',
+      },
+      defaultValues: { password: '', confirmPassword: '' },
+    })
+    fieldGroupObject.mount()
+
+    const props2 = {
+      validators: {
+        onChangeListenTo: ['password'],
+      },
+    }
+    const remappedProps2 = fieldGroupObject.remapFieldProps(props2)
+    expect(remappedProps2.validators.onChangeListenTo).toEqual(['userPassword'])
+  })
 })

packages/react-form/src/useFieldGroup.tsx

@@ -214,7 +214,7 @@ export function useFieldGroup<
       return (
         <form.AppField
           name={formLensApi.getFormFieldName(name)}
-          {...(appFieldProps as any)}
+          {...formLensApi.remapFieldProps(appFieldProps as any)}
         />
       ) as never
     }
@@ -223,7 +223,7 @@ export function useFieldGroup<
       return (
         <form.Field
           name={formLensApi.getFormFieldName(name)}
-          {...(fieldProps as any)}
+          {...formLensApi.remapFieldProps(fieldProps as any)}
         />
       ) as never
     }