From d139d199287f25a24a56c63372376c0643a28ef2 Mon Sep 17 00:00:00 2001
From: Katharina Zwinger <katharina@more-onion.com>
Date: Thu, 14 Oct 2021 17:56:43 +0200
Subject: [PATCH] Provide "name" for clientside validation

---
 braintree_payment.theme.inc | 4 ++++
 src/CreditCardForm.php      | 4 ----
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/braintree_payment.theme.inc b/braintree_payment.theme.inc
index 8efa790..10865db 100644
--- a/braintree_payment.theme.inc
+++ b/braintree_payment.theme.inc
@@ -21,4 +21,8 @@ function template_process_braintree_payment_hosted_field(array &$vars) {
   $vars['attributes'] = $element['#attributes'] ?? [];
   $vars['attributes']['class'] = $element['#wrapper_classes'];
   $vars['attributes']['data-braintree-hosted-fields-field'] = $element['#field_name'];
+  $parents = $vars['element']['#parents'];
+  $name = array_shift($parents);
+  $name .= $parents ? '[' . implode('][', $parents) . ']' : '';
+  $vars['attributes']['name'] = $name;
 }
diff --git a/src/CreditCardForm.php b/src/CreditCardForm.php
index 2b47009..d76fd09 100644
--- a/src/CreditCardForm.php
+++ b/src/CreditCardForm.php
@@ -46,25 +46,21 @@ public function form(array $form, array &$form_state, \Payment $payment) {
       '#process' => array_merge(['braintree_payment_hosted_fields_process'], element_info('textfield')['#process']),
       '#field_name' => 'number',
       '#wrapper_classes' => ['cc-number'],
-      '#parents' => ['cc-number'],
     ] + $form['credit_card_number'];
     $form['secure_code'] = [
       '#process' => array_merge(['braintree_payment_hosted_fields_process'], element_info('textfield')['#process']),
       '#field_name' => 'cvv',
       '#wrapper_classes' => ['cc-cvv'],
-      '#parents' => ['cc-cvv'],
     ] + $form['secure_code'];
     $form['expiry_date']['month'] = [
       '#process' => array_merge(['braintree_payment_hosted_fields_process'], element_info('select')['#process']),
       '#field_name' => 'expirationMonth',
       '#wrapper_classes' => ['cc-month'],
-      '#parents' => ['cc-month'],
     ] + $form['expiry_date']['month'];
     $form['expiry_date']['year'] = [
       '#process' => array_merge(['braintree_payment_hosted_fields_process'], element_info('select')['#process']),
       '#field_name' => 'expirationYear',
       '#wrapper_classes' => ['cc-year'],
-      '#parents' => ['cc-year'],
     ] + $form['expiry_date']['year'];
 
     // Add extra data.