Fixed missing form_nonce for JS when using FlexForm

CHANGELOG.md

@@ -11,6 +11,7 @@
     * Fixed validation for select field type with selectize
     * Fixed `Flex[class]::getType()` to return the same value in every class
     * Fixed `FlexIndex` keys being lost when `FlexCollection` gets loaded
+    * Fixed missing `form_nonce` for JS when using `FlexForm`
 
 # v1.6.0-rc.2
 ## 02/07/2019

system/src/Grav/Framework/Form/Interfaces/FormInterface.php

@@ -76,6 +76,13 @@ interface FormInterface extends \Serializable
      */
     public function getNonceAction(): string;
 
+    /**
+     * Get the nonce value for a form
+     *
+     * @return string
+     */
+    public function getNonce(): string;
+
     /**
      * Get form action (URL). If action is empty, it points to the current page.
      *

system/src/Grav/Framework/Form/Traits/FormTrait.php

@@ -85,6 +85,11 @@ trait FormTrait
         return 'form';
     }
 
+    public function getNonce(): string
+    {
+        return Utils::getNonce($this->getNonceAction());
+    }
+
     public function getAction(): string
     {
         return '';