load errors.js as standard and make it coop with async_task_replace_page

src/pretix/base/templates/error.html

@@ -20,6 +20,5 @@
 <div class="container">
     {% block content %}{% endblock %}
 </div>
-<script src="{% static "pretixbase/js/errors.js" %}"></script>
 </body>
 </html>

src/pretix/presale/templates/pretixpresale/fragment_js.html

@@ -22,4 +22,5 @@
     <script type="text/javascript" src="{% static "pretixpresale/js/ui/iframe.js" %}"></script>
     <script type="text/javascript" src="{% static "pretixbase/js/addressform.js" %}"></script>
     <script type="text/javascript" src="{% static "pretixbase/js/deanonymize_email.js" %}"></script>
+    <script type="text/javascript" src="{% static "pretixbase/js/errors.js" %}"></script>
 {% endcompress %}

src/pretix/static/pretixbase/js/asynctask.js

@@ -107,6 +107,7 @@ function async_task_replace_page(target, new_html) {
     setup_collapsible_details($(target));
     window.setTimeout(function () { $(window).scrollTop(0) }, 200)
     $(document).trigger("pretix:bind-forms");
+		$(document).trigger("pretix:async_task_replace_page");
 }
 
 function async_task_check_error(jqXHR, textStatus, errorThrown) {

src/pretix/static/pretixbase/js/errors.js

@@ -1,5 +1,17 @@
-document.getElementById('goback').onclick =
-   function() {window.history.back()};
+const registerErrorLinkHandlers = (reloadAll = false) => {
+  const backwards = document.getElementById('goback');
+  if (backwards) {
+    backwards.onclick = reloadAll
+      ? () => window.location.reload(true)
+      : () => window.history.back();
+  }
 
-document.getElementById('reload').onclick =
- function() {window.location.reload(true)};
+  const reload = document.getElementById('reload');
+  if (reload) {
+    reload.onclick = () => window.location.reload(true);
+  }
+};
+
+registerErrorLinkHandlers();
+
+$(document).on("pretix:async_task_replace_page", () => registerErrorLinkHandlers(true));