Fix ajax driven contact forms by adding route enhancer

config/sites/ep-reisen/config.yaml

@@ -248,6 +248,14 @@ routeEnhancers:
         type: PersistedAliasMapper
         tableName: tx_epproducts_domain_model_hotel
         routeFieldName: uid
+  AjaxContactForm:
+    type: Extbase
+    extension: EpTheme
+    plugin: Ajax
+    limitToPages: [855]
+    routes:
+      - routePath: '/ajaxform'
+        _controller: 'AjaxForm::processForm'
   PageTypeSuffix:
     type: PageType
     default: '/'
@@ -256,4 +264,5 @@ routeEnhancers:
       '/': 0
       '/json': 1701
       '/html': 1702
+      '.json': 1803
       'sitemap.xml': 1533906435

public/typo3conf/ext/ep_theme/Resources/Private/Templates/Form/FullForm.html

@@ -9,7 +9,8 @@
                 <div class="form form--border">
                     <f:form id="contactform" object="{contactForm}" name="contactForm"
                             action="processForm" controller="AjaxForm" pluginName="Ajax" pageType="1803"
-                            noCacheHash="1" class="border" additionalAttributes="{'v-show': '!success', '@submit.prevent': 'submitForm()'}">
+                            pageUid="{settings.defaultAjaxUid}" class="border"
+                            additionalAttributes="{'v-show': '!success', '@submit.prevent': 'submitForm()'}">
                         <f:form.hidden property="pageUrl"/>
                         <div class="form-group" :class="{ 'has-error': formErrors.name }">
                             <label for="name" class="control-label">Name*</label>

public/typo3conf/ext/ep_theme/Resources/Private/Templates/Form/SimpleForm.html

@@ -9,7 +9,8 @@
                 <div class="form form--border">
                     <f:form id="contactform" object="{contactForm}" name="contactForm"
                             action="processForm" controller="AjaxForm" pluginName="Ajax" pageType="1803"
-                            noCacheHash="1" class="border" additionalAttributes="{'v-show': '!success', '@submit.prevent': 'submitForm()'}">
+                            pageUid="{settings.defaultAjaxUid}" class="border"
+                            additionalAttributes="{'v-show': '!success', '@submit.prevent': 'submitForm()'}">
                         <f:form.hidden property="pageUrl"/>
                         <div class="form-group" :class="{ 'has-error': formErrors.name }">
                             <label for="name" class="control-label">Name</label>